Home / 1,038.15-1,432.80-596.16

Finding the Fourth Proportional to 1,038.15, 1,432.80 and 596.16

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Solution

The fourth proportional to 1,038.15, 1,432.80 and 596.16 is: 822.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038.15 : 1,432.80 = 596.16 : x
  2. Step 2: Convert to fraction form
    1,038.15/1,432.80 = 596.16/x
  3. Step 3: Cross multiply
    1,038.15x = 1,432.80 × 596.16
  4. Step 4: Simplify right side
    1,038.15x = 854,178.05
  5. Step 5: Solve for x
    x = 854,178.05/1,038.15
  6. Step 6: Final answer
    x = 822.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.