Home / 3,885.60-5,830.74-1,545.18

Finding the Fourth Proportional to 3,885.60, 5,830.74 and 1,545.18

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Solution

The fourth proportional to 3,885.60, 5,830.74 and 1,545.18 is: 2,318.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.60 : 5,830.74 = 1,545.18 : x
  2. Step 2: Convert to fraction form
    3,885.60/5,830.74 = 1,545.18/x
  3. Step 3: Cross multiply
    3,885.60x = 5,830.74 × 1,545.18
  4. Step 4: Simplify right side
    3,885.60x = 9,009,542.83
  5. Step 5: Solve for x
    x = 9,009,542.83/3,885.60
  6. Step 6: Final answer
    x = 2,318.70

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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.