Home / 2,146.23-2,962.13-1,307.20

Finding the Fourth Proportional to 2,146.23, 2,962.13 and 1,307.20

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Solution

The fourth proportional to 2,146.23, 2,962.13 and 1,307.20 is: 1,804.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.23 : 2,962.13 = 1,307.20 : x
  2. Step 2: Convert to fraction form
    2,146.23/2,962.13 = 1,307.20/x
  3. Step 3: Cross multiply
    2,146.23x = 2,962.13 × 1,307.20
  4. Step 4: Simplify right side
    2,146.23x = 3,872,096.34
  5. Step 5: Solve for x
    x = 3,872,096.34/2,146.23
  6. Step 6: Final answer
    x = 1,804.14

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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.