Home / 2,438.17-3,366.20-1,877.58

Finding the Fourth Proportional to 2,438.17, 3,366.20 and 1,877.58

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Solution

The fourth proportional to 2,438.17, 3,366.20 and 1,877.58 is: 2,592.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.17 : 3,366.20 = 1,877.58 : x
  2. Step 2: Convert to fraction form
    2,438.17/3,366.20 = 1,877.58/x
  3. Step 3: Cross multiply
    2,438.17x = 3,366.20 × 1,877.58
  4. Step 4: Simplify right side
    2,438.17x = 6,320,314.49
  5. Step 5: Solve for x
    x = 6,320,314.49/2,438.17
  6. Step 6: Final answer
    x = 2,592.24

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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.