Home / 1,731.36-2,597.08-498.80

Finding the Fourth Proportional to 1,731.36, 2,597.08 and 498.80

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Solution

The fourth proportional to 1,731.36, 2,597.08 and 498.80 is: 748.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.36 : 2,597.08 = 498.80 : x
  2. Step 2: Convert to fraction form
    1,731.36/2,597.08 = 498.80/x
  3. Step 3: Cross multiply
    1,731.36x = 2,597.08 × 498.80
  4. Step 4: Simplify right side
    1,731.36x = 1,295,423.50
  5. Step 5: Solve for x
    x = 1,295,423.50/1,731.36
  6. Step 6: Final answer
    x = 748.21

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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.