Home / 3,062.12-4,591.40-981.63

Finding the Fourth Proportional to 3,062.12, 4,591.40 and 981.63

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Solution

The fourth proportional to 3,062.12, 4,591.40 and 981.63 is: 1,471.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.12 : 4,591.40 = 981.63 : x
  2. Step 2: Convert to fraction form
    3,062.12/4,591.40 = 981.63/x
  3. Step 3: Cross multiply
    3,062.12x = 4,591.40 × 981.63
  4. Step 4: Simplify right side
    3,062.12x = 4,507,051.07
  5. Step 5: Solve for x
    x = 4,507,051.07/3,062.12
  6. Step 6: Final answer
    x = 1,471.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.