Home / 1,931.12-2,666.24-1,482.18

Finding the Fourth Proportional to 1,931.12, 2,666.24 and 1,482.18

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Solution

The fourth proportional to 1,931.12, 2,666.24 and 1,482.18 is: 2,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931.12 : 2,666.24 = 1,482.18 : x
  2. Step 2: Convert to fraction form
    1,931.12/2,666.24 = 1,482.18/x
  3. Step 3: Cross multiply
    1,931.12x = 2,666.24 × 1,482.18
  4. Step 4: Simplify right side
    1,931.12x = 3,951,847.60
  5. Step 5: Solve for x
    x = 3,951,847.60/1,931.12
  6. Step 6: Final answer
    x = 2,046.40

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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.