Home / 2,545.20-3,818.57-1,065.14

Finding the Fourth Proportional to 2,545.20, 3,818.57 and 1,065.14

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Solution

The fourth proportional to 2,545.20, 3,818.57 and 1,065.14 is: 1,598.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.20 : 3,818.57 = 1,065.14 : x
  2. Step 2: Convert to fraction form
    2,545.20/3,818.57 = 1,065.14/x
  3. Step 3: Cross multiply
    2,545.20x = 3,818.57 × 1,065.14
  4. Step 4: Simplify right side
    2,545.20x = 4,067,311.65
  5. Step 5: Solve for x
    x = 4,067,311.65/2,545.20
  6. Step 6: Final answer
    x = 1,598.03

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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.