Home / 1,036.13-1,546.61-913.11

Finding the Fourth Proportional to 1,036.13, 1,546.61 and 913.11

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Solution

The fourth proportional to 1,036.13, 1,546.61 and 913.11 is: 1,362.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.13 : 1,546.61 = 913.11 : x
  2. Step 2: Convert to fraction form
    1,036.13/1,546.61 = 913.11/x
  3. Step 3: Cross multiply
    1,036.13x = 1,546.61 × 913.11
  4. Step 4: Simplify right side
    1,036.13x = 1,412,225.06
  5. Step 5: Solve for x
    x = 1,412,225.06/1,036.13
  6. Step 6: Final answer
    x = 1,362.98

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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.