Home / 2,970.08-4,454.88-1,326.56

Finding the Fourth Proportional to 2,970.08, 4,454.88 and 1,326.56

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Solution

The fourth proportional to 2,970.08, 4,454.88 and 1,326.56 is: 1,989.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.08 : 4,454.88 = 1,326.56 : x
  2. Step 2: Convert to fraction form
    2,970.08/4,454.88 = 1,326.56/x
  3. Step 3: Cross multiply
    2,970.08x = 4,454.88 × 1,326.56
  4. Step 4: Simplify right side
    2,970.08x = 5,909,665.61
  5. Step 5: Solve for x
    x = 5,909,665.61/2,970.08
  6. Step 6: Final answer
    x = 1,989.73

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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.