Home / 4,281.70-5,911.68-2,689.06

Finding the Fourth Proportional to 4,281.70, 5,911.68 and 2,689.06

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Solution

The fourth proportional to 4,281.70, 5,911.68 and 2,689.06 is: 3,712.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.70 : 5,911.68 = 2,689.06 : x
  2. Step 2: Convert to fraction form
    4,281.70/5,911.68 = 2,689.06/x
  3. Step 3: Cross multiply
    4,281.70x = 5,911.68 × 2,689.06
  4. Step 4: Simplify right side
    4,281.70x = 15,896,862.22
  5. Step 5: Solve for x
    x = 15,896,862.22/4,281.70
  6. Step 6: Final answer
    x = 3,712.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.