Home / 2,976.52-4,461.12-2,157.60

Finding the Fourth Proportional to 2,976.52, 4,461.12 and 2,157.60

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Solution

The fourth proportional to 2,976.52, 4,461.12 and 2,157.60 is: 3,233.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.52 : 4,461.12 = 2,157.60 : x
  2. Step 2: Convert to fraction form
    2,976.52/4,461.12 = 2,157.60/x
  3. Step 3: Cross multiply
    2,976.52x = 4,461.12 × 2,157.60
  4. Step 4: Simplify right side
    2,976.52x = 9,625,312.51
  5. Step 5: Solve for x
    x = 9,625,312.51/2,976.52
  6. Step 6: Final answer
    x = 3,233.75

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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.