Home / 3,587.44-5,384.40-1,857.28

Finding the Fourth Proportional to 3,587.44, 5,384.40 and 1,857.28

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Solution

The fourth proportional to 3,587.44, 5,384.40 and 1,857.28 is: 2,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.44 : 5,384.40 = 1,857.28 : x
  2. Step 2: Convert to fraction form
    3,587.44/5,384.40 = 1,857.28/x
  3. Step 3: Cross multiply
    3,587.44x = 5,384.40 × 1,857.28
  4. Step 4: Simplify right side
    3,587.44x = 10,000,338.43
  5. Step 5: Solve for x
    x = 10,000,338.43/3,587.44
  6. Step 6: Final answer
    x = 2,787.60

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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.