Home / 1,285.61-1,928.20-592.25

Finding the Fourth Proportional to 1,285.61, 1,928.20 and 592.25

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Solution

The fourth proportional to 1,285.61, 1,928.20 and 592.25 is: 888.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285.61 : 1,928.20 = 592.25 : x
  2. Step 2: Convert to fraction form
    1,285.61/1,928.20 = 592.25/x
  3. Step 3: Cross multiply
    1,285.61x = 1,928.20 × 592.25
  4. Step 4: Simplify right side
    1,285.61x = 1,141,976.45
  5. Step 5: Solve for x
    x = 1,141,976.45/1,285.61
  6. Step 6: Final answer
    x = 888.28

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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.