Home / 3,440.84-5,158.16-1,248.02

Finding the Fourth Proportional to 3,440.84, 5,158.16 and 1,248.02

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Solution

The fourth proportional to 3,440.84, 5,158.16 and 1,248.02 is: 1,870.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.84 : 5,158.16 = 1,248.02 : x
  2. Step 2: Convert to fraction form
    3,440.84/5,158.16 = 1,248.02/x
  3. Step 3: Cross multiply
    3,440.84x = 5,158.16 × 1,248.02
  4. Step 4: Simplify right side
    3,440.84x = 6,437,493.50
  5. Step 5: Solve for x
    x = 6,437,493.50/3,440.84
  6. Step 6: Final answer
    x = 1,870.91

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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.