Home / 1,036.13-1,426.77-1,013.13

Finding the Fourth Proportional to 1,036.13, 1,426.77 and 1,013.13

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Solution

The fourth proportional to 1,036.13, 1,426.77 and 1,013.13 is: 1,395.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.13 : 1,426.77 = 1,013.13 : x
  2. Step 2: Convert to fraction form
    1,036.13/1,426.77 = 1,013.13/x
  3. Step 3: Cross multiply
    1,036.13x = 1,426.77 × 1,013.13
  4. Step 4: Simplify right side
    1,036.13x = 1,445,503.49
  5. Step 5: Solve for x
    x = 1,445,503.49/1,036.13
  6. Step 6: Final answer
    x = 1,395.11

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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.