Home / 2,375.95-3,557.99-1,438.39

Finding the Fourth Proportional to 2,375.95, 3,557.99 and 1,438.39

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Solution

The fourth proportional to 2,375.95, 3,557.99 and 1,438.39 is: 2,154.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.95 : 3,557.99 = 1,438.39 : x
  2. Step 2: Convert to fraction form
    2,375.95/3,557.99 = 1,438.39/x
  3. Step 3: Cross multiply
    2,375.95x = 3,557.99 × 1,438.39
  4. Step 4: Simplify right side
    2,375.95x = 5,117,785.28
  5. Step 5: Solve for x
    x = 5,117,785.28/2,375.95
  6. Step 6: Final answer
    x = 2,154.00

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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.