Home / 1,177.56-1,758.33-1,053.36

Finding the Fourth Proportional to 1,177.56, 1,758.33 and 1,053.36

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Solution

The fourth proportional to 1,177.56, 1,758.33 and 1,053.36 is: 1,572.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.56 : 1,758.33 = 1,053.36 : x
  2. Step 2: Convert to fraction form
    1,177.56/1,758.33 = 1,053.36/x
  3. Step 3: Cross multiply
    1,177.56x = 1,758.33 × 1,053.36
  4. Step 4: Simplify right side
    1,177.56x = 1,852,154.49
  5. Step 5: Solve for x
    x = 1,852,154.49/1,177.56
  6. Step 6: Final answer
    x = 1,572.87

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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.