Home / 1,731.61-2,597.26-433.08

Finding the Fourth Proportional to 1,731.61, 2,597.26 and 433.08

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Solution

The fourth proportional to 1,731.61, 2,597.26 and 433.08 is: 649.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.61 : 2,597.26 = 433.08 : x
  2. Step 2: Convert to fraction form
    1,731.61/2,597.26 = 433.08/x
  3. Step 3: Cross multiply
    1,731.61x = 2,597.26 × 433.08
  4. Step 4: Simplify right side
    1,731.61x = 1,124,821.36
  5. Step 5: Solve for x
    x = 1,124,821.36/1,731.61
  6. Step 6: Final answer
    x = 649.58

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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.