Home / 1,475.57-2,036.81-1,034.78

Finding the Fourth Proportional to 1,475.57, 2,036.81 and 1,034.78

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Solution

The fourth proportional to 1,475.57, 2,036.81 and 1,034.78 is: 1,428.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.57 : 2,036.81 = 1,034.78 : x
  2. Step 2: Convert to fraction form
    1,475.57/2,036.81 = 1,034.78/x
  3. Step 3: Cross multiply
    1,475.57x = 2,036.81 × 1,034.78
  4. Step 4: Simplify right side
    1,475.57x = 2,107,642.65
  5. Step 5: Solve for x
    x = 2,107,642.65/1,475.57
  6. Step 6: Final answer
    x = 1,428.36

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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.