Home / 2,377.83-3,281.92-1,383.24

Finding the Fourth Proportional to 2,377.83, 3,281.92 and 1,383.24

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Solution

The fourth proportional to 2,377.83, 3,281.92 and 1,383.24 is: 1,909.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.83 : 3,281.92 = 1,383.24 : x
  2. Step 2: Convert to fraction form
    2,377.83/3,281.92 = 1,383.24/x
  3. Step 3: Cross multiply
    2,377.83x = 3,281.92 × 1,383.24
  4. Step 4: Simplify right side
    2,377.83x = 4,539,686.78
  5. Step 5: Solve for x
    x = 4,539,686.78/2,377.83
  6. Step 6: Final answer
    x = 1,909.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.