Home / 1,635.59-2,439.65-1,487.97

Finding the Fourth Proportional to 1,635.59, 2,439.65 and 1,487.97

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Solution

The fourth proportional to 1,635.59, 2,439.65 and 1,487.97 is: 2,219.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.59 : 2,439.65 = 1,487.97 : x
  2. Step 2: Convert to fraction form
    1,635.59/2,439.65 = 1,487.97/x
  3. Step 3: Cross multiply
    1,635.59x = 2,439.65 × 1,487.97
  4. Step 4: Simplify right side
    1,635.59x = 3,630,126.01
  5. Step 5: Solve for x
    x = 3,630,126.01/1,635.59
  6. Step 6: Final answer
    x = 2,219.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.