Home / 1,864.11-2,793.55-1,472.39

Finding the Fourth Proportional to 1,864.11, 2,793.55 and 1,472.39

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Solution

The fourth proportional to 1,864.11, 2,793.55 and 1,472.39 is: 2,206.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.11 : 2,793.55 = 1,472.39 : x
  2. Step 2: Convert to fraction form
    1,864.11/2,793.55 = 1,472.39/x
  3. Step 3: Cross multiply
    1,864.11x = 2,793.55 × 1,472.39
  4. Step 4: Simplify right side
    1,864.11x = 4,113,187.72
  5. Step 5: Solve for x
    x = 4,113,187.72/1,864.11
  6. Step 6: Final answer
    x = 2,206.52

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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.