Home / 3,117.53-4,680.36-2,084.16

Finding the Fourth Proportional to 3,117.53, 4,680.36 and 2,084.16

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Solution

The fourth proportional to 3,117.53, 4,680.36 and 2,084.16 is: 3,128.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.53 : 4,680.36 = 2,084.16 : x
  2. Step 2: Convert to fraction form
    3,117.53/4,680.36 = 2,084.16/x
  3. Step 3: Cross multiply
    3,117.53x = 4,680.36 × 2,084.16
  4. Step 4: Simplify right side
    3,117.53x = 9,754,619.10
  5. Step 5: Solve for x
    x = 9,754,619.10/3,117.53
  6. Step 6: Final answer
    x = 3,128.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.