Home / 3,158.16-4,354.02-2,212.68

Finding the Fourth Proportional to 3,158.16, 4,354.02 and 2,212.68

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Solution

The fourth proportional to 3,158.16, 4,354.02 and 2,212.68 is: 3,050.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.16 : 4,354.02 = 2,212.68 : x
  2. Step 2: Convert to fraction form
    3,158.16/4,354.02 = 2,212.68/x
  3. Step 3: Cross multiply
    3,158.16x = 4,354.02 × 2,212.68
  4. Step 4: Simplify right side
    3,158.16x = 9,634,052.97
  5. Step 5: Solve for x
    x = 9,634,052.97/3,158.16
  6. Step 6: Final answer
    x = 3,050.53

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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.