Home / 2,103.02-3,127.85-2,059.28

Finding the Fourth Proportional to 2,103.02, 3,127.85 and 2,059.28

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Solution

The fourth proportional to 2,103.02, 3,127.85 and 2,059.28 is: 3,062.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103.02 : 3,127.85 = 2,059.28 : x
  2. Step 2: Convert to fraction form
    2,103.02/3,127.85 = 2,059.28/x
  3. Step 3: Cross multiply
    2,103.02x = 3,127.85 × 2,059.28
  4. Step 4: Simplify right side
    2,103.02x = 6,441,118.95
  5. Step 5: Solve for x
    x = 6,441,118.95/2,103.02
  6. Step 6: Final answer
    x = 3,062.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.