Home / 1,484.28-2,226.36-618.57

Finding the Fourth Proportional to 1,484.28, 2,226.36 and 618.57

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Solution

The fourth proportional to 1,484.28, 2,226.36 and 618.57 is: 927.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.28 : 2,226.36 = 618.57 : x
  2. Step 2: Convert to fraction form
    1,484.28/2,226.36 = 618.57/x
  3. Step 3: Cross multiply
    1,484.28x = 2,226.36 × 618.57
  4. Step 4: Simplify right side
    1,484.28x = 1,377,159.51
  5. Step 5: Solve for x
    x = 1,377,159.51/1,484.28
  6. Step 6: Final answer
    x = 927.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.