Home / 2,358.34-3,539.04-1,248.78

Finding the Fourth Proportional to 2,358.34, 3,539.04 and 1,248.78

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Solution

The fourth proportional to 2,358.34, 3,539.04 and 1,248.78 is: 1,873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.34 : 3,539.04 = 1,248.78 : x
  2. Step 2: Convert to fraction form
    2,358.34/3,539.04 = 1,248.78/x
  3. Step 3: Cross multiply
    2,358.34x = 3,539.04 × 1,248.78
  4. Step 4: Simplify right side
    2,358.34x = 4,419,482.37
  5. Step 5: Solve for x
    x = 4,419,482.37/2,358.34
  6. Step 6: Final answer
    x = 1,873.98

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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.