Home / 3,899.16-5,848.02-1,125.15

Finding the Fourth Proportional to 3,899.16, 5,848.02 and 1,125.15

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Solution

The fourth proportional to 3,899.16, 5,848.02 and 1,125.15 is: 1,687.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.16 : 5,848.02 = 1,125.15 : x
  2. Step 2: Convert to fraction form
    3,899.16/5,848.02 = 1,125.15/x
  3. Step 3: Cross multiply
    3,899.16x = 5,848.02 × 1,125.15
  4. Step 4: Simplify right side
    3,899.16x = 6,579,870.46
  5. Step 5: Solve for x
    x = 6,579,870.46/3,899.16
  6. Step 6: Final answer
    x = 1,687.51

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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.