Home / 2,973.02-4,459.79-1,217.61

Finding the Fourth Proportional to 2,973.02, 4,459.79 and 1,217.61

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Solution

The fourth proportional to 2,973.02, 4,459.79 and 1,217.61 is: 1,826.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.02 : 4,459.79 = 1,217.61 : x
  2. Step 2: Convert to fraction form
    2,973.02/4,459.79 = 1,217.61/x
  3. Step 3: Cross multiply
    2,973.02x = 4,459.79 × 1,217.61
  4. Step 4: Simplify right side
    2,973.02x = 5,430,287.95
  5. Step 5: Solve for x
    x = 5,430,287.95/2,973.02
  6. Step 6: Final answer
    x = 1,826.53

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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.