Home / 2,506.60-3,459.05-1,387.47

Finding the Fourth Proportional to 2,506.60, 3,459.05 and 1,387.47

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Solution

The fourth proportional to 2,506.60, 3,459.05 and 1,387.47 is: 1,914.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,506.60 : 3,459.05 = 1,387.47 : x
  2. Step 2: Convert to fraction form
    2,506.60/3,459.05 = 1,387.47/x
  3. Step 3: Cross multiply
    2,506.60x = 3,459.05 × 1,387.47
  4. Step 4: Simplify right side
    2,506.60x = 4,799,328.10
  5. Step 5: Solve for x
    x = 4,799,328.10/2,506.60
  6. Step 6: Final answer
    x = 1,914.68

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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.