Home / 1,731.29-2,597.42-999.53

Finding the Fourth Proportional to 1,731.29, 2,597.42 and 999.53

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Solution

The fourth proportional to 1,731.29, 2,597.42 and 999.53 is: 1,499.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.29 : 2,597.42 = 999.53 : x
  2. Step 2: Convert to fraction form
    1,731.29/2,597.42 = 999.53/x
  3. Step 3: Cross multiply
    1,731.29x = 2,597.42 × 999.53
  4. Step 4: Simplify right side
    1,731.29x = 2,596,194.21
  5. Step 5: Solve for x
    x = 2,596,194.21/1,731.29
  6. Step 6: Final answer
    x = 1,499.57

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1.5x scale

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.