Home / 1,358.01-2,029.14-1,081.17

Finding the Fourth Proportional to 1,358.01, 2,029.14 and 1,081.17

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Solution

The fourth proportional to 1,358.01, 2,029.14 and 1,081.17 is: 1,615.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358.01 : 2,029.14 = 1,081.17 : x
  2. Step 2: Convert to fraction form
    1,358.01/2,029.14 = 1,081.17/x
  3. Step 3: Cross multiply
    1,358.01x = 2,029.14 × 1,081.17
  4. Step 4: Simplify right side
    1,358.01x = 2,193,845.29
  5. Step 5: Solve for x
    x = 2,193,845.29/1,358.01
  6. Step 6: Final answer
    x = 1,615.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.