Home / 2,973.52-4,461.18-1,125.20

Finding the Fourth Proportional to 2,973.52, 4,461.18 and 1,125.20

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Solution

The fourth proportional to 2,973.52, 4,461.18 and 1,125.20 is: 1,688.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.52 : 4,461.18 = 1,125.20 : x
  2. Step 2: Convert to fraction form
    2,973.52/4,461.18 = 1,125.20/x
  3. Step 3: Cross multiply
    2,973.52x = 4,461.18 × 1,125.20
  4. Step 4: Simplify right side
    2,973.52x = 5,019,709.94
  5. Step 5: Solve for x
    x = 5,019,709.94/2,973.52
  6. Step 6: Final answer
    x = 1,688.14

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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.