Home / 3,875.91-5,813.34-1,102.83

Finding the Fourth Proportional to 3,875.91, 5,813.34 and 1,102.83

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Solution

The fourth proportional to 3,875.91, 5,813.34 and 1,102.83 is: 1,654.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.91 : 5,813.34 = 1,102.83 : x
  2. Step 2: Convert to fraction form
    3,875.91/5,813.34 = 1,102.83/x
  3. Step 3: Cross multiply
    3,875.91x = 5,813.34 × 1,102.83
  4. Step 4: Simplify right side
    3,875.91x = 6,411,125.75
  5. Step 5: Solve for x
    x = 6,411,125.75/3,875.91
  6. Step 6: Final answer
    x = 1,654.10

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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.