Home / 1,687.02-2,529.93-591.18

Finding the Fourth Proportional to 1,687.02, 2,529.93 and 591.18

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Solution

The fourth proportional to 1,687.02, 2,529.93 and 591.18 is: 886.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687.02 : 2,529.93 = 591.18 : x
  2. Step 2: Convert to fraction form
    1,687.02/2,529.93 = 591.18/x
  3. Step 3: Cross multiply
    1,687.02x = 2,529.93 × 591.18
  4. Step 4: Simplify right side
    1,687.02x = 1,495,644.02
  5. Step 5: Solve for x
    x = 1,495,644.02/1,687.02
  6. Step 6: Final answer
    x = 886.56

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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.