Home / 2,306.05-3,184.46-1,680.19

Finding the Fourth Proportional to 2,306.05, 3,184.46 and 1,680.19

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Solution

The fourth proportional to 2,306.05, 3,184.46 and 1,680.19 is: 2,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.05 : 3,184.46 = 1,680.19 : x
  2. Step 2: Convert to fraction form
    2,306.05/3,184.46 = 1,680.19/x
  3. Step 3: Cross multiply
    2,306.05x = 3,184.46 × 1,680.19
  4. Step 4: Simplify right side
    2,306.05x = 5,350,497.85
  5. Step 5: Solve for x
    x = 5,350,497.85/2,306.05
  6. Step 6: Final answer
    x = 2,320.20

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,307.05, 3,185.84 and 1,681.19
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.