Home / 2,565.40-3,843.18-2,448.76

Finding the Fourth Proportional to 2,565.40, 3,843.18 and 2,448.76

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Solution

The fourth proportional to 2,565.40, 3,843.18 and 2,448.76 is: 3,668.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.40 : 3,843.18 = 2,448.76 : x
  2. Step 2: Convert to fraction form
    2,565.40/3,843.18 = 2,448.76/x
  3. Step 3: Cross multiply
    2,565.40x = 3,843.18 × 2,448.76
  4. Step 4: Simplify right side
    2,565.40x = 9,411,025.46
  5. Step 5: Solve for x
    x = 9,411,025.46/2,565.40
  6. Step 6: Final answer
    x = 3,668.44

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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.