Home / 2,973.20-4,458.41-1,098.61

Finding the Fourth Proportional to 2,973.20, 4,458.41 and 1,098.61

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Solution

The fourth proportional to 2,973.20, 4,458.41 and 1,098.61 is: 1,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.20 : 4,458.41 = 1,098.61 : x
  2. Step 2: Convert to fraction form
    2,973.20/4,458.41 = 1,098.61/x
  3. Step 3: Cross multiply
    2,973.20x = 4,458.41 × 1,098.61
  4. Step 4: Simplify right side
    2,973.20x = 4,898,053.81
  5. Step 5: Solve for x
    x = 4,898,053.81/2,973.20
  6. Step 6: Final answer
    x = 1,647.40

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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.