Home / 1,536.13-2,118.19-1,037.91

Finding the Fourth Proportional to 1,536.13, 2,118.19 and 1,037.91

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Solution

The fourth proportional to 1,536.13, 2,118.19 and 1,037.91 is: 1,431.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.13 : 2,118.19 = 1,037.91 : x
  2. Step 2: Convert to fraction form
    1,536.13/2,118.19 = 1,037.91/x
  3. Step 3: Cross multiply
    1,536.13x = 2,118.19 × 1,037.91
  4. Step 4: Simplify right side
    1,536.13x = 2,198,480.04
  5. Step 5: Solve for x
    x = 2,198,480.04/1,536.13
  6. Step 6: Final answer
    x = 1,431.18

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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.