Home / 2,156.47-3,235.85-1,060.70

Finding the Fourth Proportional to 2,156.47, 3,235.85 and 1,060.70

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Solution

The fourth proportional to 2,156.47, 3,235.85 and 1,060.70 is: 1,591.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156.47 : 3,235.85 = 1,060.70 : x
  2. Step 2: Convert to fraction form
    2,156.47/3,235.85 = 1,060.70/x
  3. Step 3: Cross multiply
    2,156.47x = 3,235.85 × 1,060.70
  4. Step 4: Simplify right side
    2,156.47x = 3,432,248.59
  5. Step 5: Solve for x
    x = 3,432,248.59/2,156.47
  6. Step 6: Final answer
    x = 1,591.60

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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.