Home / 2,875.55-4,310.24-1,487.49

Finding the Fourth Proportional to 2,875.55, 4,310.24 and 1,487.49

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Solution

The fourth proportional to 2,875.55, 4,310.24 and 1,487.49 is: 2,229.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.55 : 4,310.24 = 1,487.49 : x
  2. Step 2: Convert to fraction form
    2,875.55/4,310.24 = 1,487.49/x
  3. Step 3: Cross multiply
    2,875.55x = 4,310.24 × 1,487.49
  4. Step 4: Simplify right side
    2,875.55x = 6,411,417.35
  5. Step 5: Solve for x
    x = 6,411,417.35/2,875.55
  6. Step 6: Final answer
    x = 2,229.64

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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.