Home / 2,651.52-3,973.19-1,007.18

Finding the Fourth Proportional to 2,651.52, 3,973.19 and 1,007.18

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Solution

The fourth proportional to 2,651.52, 3,973.19 and 1,007.18 is: 1,509.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.52 : 3,973.19 = 1,007.18 : x
  2. Step 2: Convert to fraction form
    2,651.52/3,973.19 = 1,007.18/x
  3. Step 3: Cross multiply
    2,651.52x = 3,973.19 × 1,007.18
  4. Step 4: Simplify right side
    2,651.52x = 4,001,692.60
  5. Step 5: Solve for x
    x = 4,001,692.60/2,651.52
  6. Step 6: Final answer
    x = 1,509.21

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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.