Home / 2,122.02-2,928.15-1,177.83

Finding the Fourth Proportional to 2,122.02, 2,928.15 and 1,177.83

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Solution

The fourth proportional to 2,122.02, 2,928.15 and 1,177.83 is: 1,625.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122.02 : 2,928.15 = 1,177.83 : x
  2. Step 2: Convert to fraction form
    2,122.02/2,928.15 = 1,177.83/x
  3. Step 3: Cross multiply
    2,122.02x = 2,928.15 × 1,177.83
  4. Step 4: Simplify right side
    2,122.02x = 3,448,862.91
  5. Step 5: Solve for x
    x = 3,448,862.91/2,122.02
  6. Step 6: Final answer
    x = 1,625.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.