Home / 2,135.76-2,948.06-1,251.24

Finding the Fourth Proportional to 2,135.76, 2,948.06 and 1,251.24

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Solution

The fourth proportional to 2,135.76, 2,948.06 and 1,251.24 is: 1,727.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.76 : 2,948.06 = 1,251.24 : x
  2. Step 2: Convert to fraction form
    2,135.76/2,948.06 = 1,251.24/x
  3. Step 3: Cross multiply
    2,135.76x = 2,948.06 × 1,251.24
  4. Step 4: Simplify right side
    2,135.76x = 3,688,730.59
  5. Step 5: Solve for x
    x = 3,688,730.59/2,135.76
  6. Step 6: Final answer
    x = 1,727.13

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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.