Home / 3,545.23-5,317.85-948.10

Finding the Fourth Proportional to 3,545.23, 5,317.85 and 948.10

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Solution

The fourth proportional to 3,545.23, 5,317.85 and 948.10 is: 1,422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.23 : 5,317.85 = 948.10 : x
  2. Step 2: Convert to fraction form
    3,545.23/5,317.85 = 948.10/x
  3. Step 3: Cross multiply
    3,545.23x = 5,317.85 × 948.10
  4. Step 4: Simplify right side
    3,545.23x = 5,041,864.51
  5. Step 5: Solve for x
    x = 5,041,864.51/3,545.23
  6. Step 6: Final answer
    x = 1,422.15

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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.