Home / 2,545.39-3,820.04-1,140.24

Finding the Fourth Proportional to 2,545.39, 3,820.04 and 1,140.24

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Solution

The fourth proportional to 2,545.39, 3,820.04 and 1,140.24 is: 1,711.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.39 : 3,820.04 = 1,140.24 : x
  2. Step 2: Convert to fraction form
    2,545.39/3,820.04 = 1,140.24/x
  3. Step 3: Cross multiply
    2,545.39x = 3,820.04 × 1,140.24
  4. Step 4: Simplify right side
    2,545.39x = 4,355,762.41
  5. Step 5: Solve for x
    x = 4,355,762.41/2,545.39
  6. Step 6: Final answer
    x = 1,711.24

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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.