Home / 3,113.12-4,672.31-1,470.84

Finding the Fourth Proportional to 3,113.12, 4,672.31 and 1,470.84

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Solution

The fourth proportional to 3,113.12, 4,672.31 and 1,470.84 is: 2,207.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.12 : 4,672.31 = 1,470.84 : x
  2. Step 2: Convert to fraction form
    3,113.12/4,672.31 = 1,470.84/x
  3. Step 3: Cross multiply
    3,113.12x = 4,672.31 × 1,470.84
  4. Step 4: Simplify right side
    3,113.12x = 6,872,213.09
  5. Step 5: Solve for x
    x = 6,872,213.09/3,113.12
  6. Step 6: Final answer
    x = 2,207.50

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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.