Home / 2,970.08-4,452.02-1,327.40

Finding the Fourth Proportional to 2,970.08, 4,452.02 and 1,327.40

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Solution

The fourth proportional to 2,970.08, 4,452.02 and 1,327.40 is: 1,989.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.08 : 4,452.02 = 1,327.40 : x
  2. Step 2: Convert to fraction form
    2,970.08/4,452.02 = 1,327.40/x
  3. Step 3: Cross multiply
    2,970.08x = 4,452.02 × 1,327.40
  4. Step 4: Simplify right side
    2,970.08x = 5,909,611.35
  5. Step 5: Solve for x
    x = 5,909,611.35/2,970.08
  6. Step 6: Final answer
    x = 1,989.71

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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.