Home / 3,545.24-5,315.52-1,236.20

Finding the Fourth Proportional to 3,545.24, 5,315.52 and 1,236.20

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Solution

The fourth proportional to 3,545.24, 5,315.52 and 1,236.20 is: 1,853.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.24 : 5,315.52 = 1,236.20 : x
  2. Step 2: Convert to fraction form
    3,545.24/5,315.52 = 1,236.20/x
  3. Step 3: Cross multiply
    3,545.24x = 5,315.52 × 1,236.20
  4. Step 4: Simplify right side
    3,545.24x = 6,571,045.82
  5. Step 5: Solve for x
    x = 6,571,045.82/3,545.24
  6. Step 6: Final answer
    x = 1,853.48

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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.