Home / 1,555.38-2,325.87-1,204.74

Finding the Fourth Proportional to 1,555.38, 2,325.87 and 1,204.74

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Solution

The fourth proportional to 1,555.38, 2,325.87 and 1,204.74 is: 1,801.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555.38 : 2,325.87 = 1,204.74 : x
  2. Step 2: Convert to fraction form
    1,555.38/2,325.87 = 1,204.74/x
  3. Step 3: Cross multiply
    1,555.38x = 2,325.87 × 1,204.74
  4. Step 4: Simplify right side
    1,555.38x = 2,802,068.62
  5. Step 5: Solve for x
    x = 2,802,068.62/1,555.38
  6. Step 6: Final answer
    x = 1,801.53

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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.