Home / 3,534.14-4,877.02-2,118.63

Finding the Fourth Proportional to 3,534.14, 4,877.02 and 2,118.63

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Solution

The fourth proportional to 3,534.14, 4,877.02 and 2,118.63 is: 2,923.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534.14 : 4,877.02 = 2,118.63 : x
  2. Step 2: Convert to fraction form
    3,534.14/4,877.02 = 2,118.63/x
  3. Step 3: Cross multiply
    3,534.14x = 4,877.02 × 2,118.63
  4. Step 4: Simplify right side
    3,534.14x = 10,332,600.88
  5. Step 5: Solve for x
    x = 10,332,600.88/3,534.14
  6. Step 6: Final answer
    x = 2,923.65

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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.