Home / 1,607.29-2,412.30-1,146.20

Finding the Fourth Proportional to 1,607.29, 2,412.30 and 1,146.20

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Solution

The fourth proportional to 1,607.29, 2,412.30 and 1,146.20 is: 1,720.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.29 : 2,412.30 = 1,146.20 : x
  2. Step 2: Convert to fraction form
    1,607.29/2,412.30 = 1,146.20/x
  3. Step 3: Cross multiply
    1,607.29x = 2,412.30 × 1,146.20
  4. Step 4: Simplify right side
    1,607.29x = 2,764,960.47
  5. Step 5: Solve for x
    x = 2,764,960.47/1,607.29
  6. Step 6: Final answer
    x = 1,720.27

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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.