Home / 3,470.02-4,790.28-2,144.50

Finding the Fourth Proportional to 3,470.02, 4,790.28 and 2,144.50

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Solution

The fourth proportional to 3,470.02, 4,790.28 and 2,144.50 is: 2,960.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.02 : 4,790.28 = 2,144.50 : x
  2. Step 2: Convert to fraction form
    3,470.02/4,790.28 = 2,144.50/x
  3. Step 3: Cross multiply
    3,470.02x = 4,790.28 × 2,144.50
  4. Step 4: Simplify right side
    3,470.02x = 10,272,755.46
  5. Step 5: Solve for x
    x = 10,272,755.46/3,470.02
  6. Step 6: Final answer
    x = 2,960.43

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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.