Home / 3,521.90-5,282.85-1,056.75

Finding the Fourth Proportional to 3,521.90, 5,282.85 and 1,056.75

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Solution

The fourth proportional to 3,521.90, 5,282.85 and 1,056.75 is: 1,585.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.90 : 5,282.85 = 1,056.75 : x
  2. Step 2: Convert to fraction form
    3,521.90/5,282.85 = 1,056.75/x
  3. Step 3: Cross multiply
    3,521.90x = 5,282.85 × 1,056.75
  4. Step 4: Simplify right side
    3,521.90x = 5,582,635.89
  5. Step 5: Solve for x
    x = 5,582,635.89/3,521.90
  6. Step 6: Final answer
    x = 1,585.12

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Double scale
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Similar ratio
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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.