Home / 3,011.44-4,510.15-2,928.40

Finding the Fourth Proportional to 3,011.44, 4,510.15 and 2,928.40

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Solution

The fourth proportional to 3,011.44, 4,510.15 and 2,928.40 is: 4,385.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.44 : 4,510.15 = 2,928.40 : x
  2. Step 2: Convert to fraction form
    3,011.44/4,510.15 = 2,928.40/x
  3. Step 3: Cross multiply
    3,011.44x = 4,510.15 × 2,928.40
  4. Step 4: Simplify right side
    3,011.44x = 13,207,523.26
  5. Step 5: Solve for x
    x = 13,207,523.26/3,011.44
  6. Step 6: Final answer
    x = 4,385.78

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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.