Home / 1,536.32-2,120.02-1,013.06

Finding the Fourth Proportional to 1,536.32, 2,120.02 and 1,013.06

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Solution

The fourth proportional to 1,536.32, 2,120.02 and 1,013.06 is: 1,397.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.32 : 2,120.02 = 1,013.06 : x
  2. Step 2: Convert to fraction form
    1,536.32/2,120.02 = 1,013.06/x
  3. Step 3: Cross multiply
    1,536.32x = 2,120.02 × 1,013.06
  4. Step 4: Simplify right side
    1,536.32x = 2,147,694.33
  5. Step 5: Solve for x
    x = 2,147,694.33/1,536.32
  6. Step 6: Final answer
    x = 1,397.95

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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.