Home / 2,158.29-3,235.50-1,047.11

Finding the Fourth Proportional to 2,158.29, 3,235.50 and 1,047.11

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Solution

The fourth proportional to 2,158.29, 3,235.50 and 1,047.11 is: 1,569.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158.29 : 3,235.50 = 1,047.11 : x
  2. Step 2: Convert to fraction form
    2,158.29/3,235.50 = 1,047.11/x
  3. Step 3: Cross multiply
    2,158.29x = 3,235.50 × 1,047.11
  4. Step 4: Simplify right side
    2,158.29x = 3,387,908.23
  5. Step 5: Solve for x
    x = 3,387,908.23/2,158.29
  6. Step 6: Final answer
    x = 1,569.72

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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.