Home / 1,285.11-1,925.35-592.36

Finding the Fourth Proportional to 1,285.11, 1,925.35 and 592.36

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Solution

The fourth proportional to 1,285.11, 1,925.35 and 592.36 is: 887.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285.11 : 1,925.35 = 592.36 : x
  2. Step 2: Convert to fraction form
    1,285.11/1,925.35 = 592.36/x
  3. Step 3: Cross multiply
    1,285.11x = 1,925.35 × 592.36
  4. Step 4: Simplify right side
    1,285.11x = 1,140,494.03
  5. Step 5: Solve for x
    x = 1,140,494.03/1,285.11
  6. Step 6: Final answer
    x = 887.47

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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.