Home / 2,377.58-3,281.08-1,383.44

Finding the Fourth Proportional to 2,377.58, 3,281.08 and 1,383.44

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Solution

The fourth proportional to 2,377.58, 3,281.08 and 1,383.44 is: 1,909.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.58 : 3,281.08 = 1,383.44 : x
  2. Step 2: Convert to fraction form
    2,377.58/3,281.08 = 1,383.44/x
  3. Step 3: Cross multiply
    2,377.58x = 3,281.08 × 1,383.44
  4. Step 4: Simplify right side
    2,377.58x = 4,539,177.32
  5. Step 5: Solve for x
    x = 4,539,177.32/2,377.58
  6. Step 6: Final answer
    x = 1,909.16

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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.