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Finding the Fourth Proportional to 2,565.10, 3,848.25 and 833.72

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Solution

The fourth proportional to 2,565.10, 3,848.25 and 833.72 is: 1,250.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.10 : 3,848.25 = 833.72 : x
  2. Step 2: Convert to fraction form
    2,565.10/3,848.25 = 833.72/x
  3. Step 3: Cross multiply
    2,565.10x = 3,848.25 × 833.72
  4. Step 4: Simplify right side
    2,565.10x = 3,208,362.99
  5. Step 5: Solve for x
    x = 3,208,362.99/2,565.10
  6. Step 6: Final answer
    x = 1,250.78

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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.