Home / 2,377.19-3,278.40-1,493.08

Finding the Fourth Proportional to 2,377.19, 3,278.40 and 1,493.08

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Solution

The fourth proportional to 2,377.19, 3,278.40 and 1,493.08 is: 2,059.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.19 : 3,278.40 = 1,493.08 : x
  2. Step 2: Convert to fraction form
    2,377.19/3,278.40 = 1,493.08/x
  3. Step 3: Cross multiply
    2,377.19x = 3,278.40 × 1,493.08
  4. Step 4: Simplify right side
    2,377.19x = 4,894,913.47
  5. Step 5: Solve for x
    x = 4,894,913.47/2,377.19
  6. Step 6: Final answer
    x = 2,059.12

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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.