Home / 3,003.40-4,503.75-1,947.52

Finding the Fourth Proportional to 3,003.40, 4,503.75 and 1,947.52

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Solution

The fourth proportional to 3,003.40, 4,503.75 and 1,947.52 is: 2,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.40 : 4,503.75 = 1,947.52 : x
  2. Step 2: Convert to fraction form
    3,003.40/4,503.75 = 1,947.52/x
  3. Step 3: Cross multiply
    3,003.40x = 4,503.75 × 1,947.52
  4. Step 4: Simplify right side
    3,003.40x = 8,771,143.20
  5. Step 5: Solve for x
    x = 8,771,143.20/3,003.40
  6. Step 6: Final answer
    x = 2,920.40

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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.