Home / 2,917.29-4,366.35-2,220.20

Finding the Fourth Proportional to 2,917.29, 4,366.35 and 2,220.20

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Solution

The fourth proportional to 2,917.29, 4,366.35 and 2,220.20 is: 3,323.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.29 : 4,366.35 = 2,220.20 : x
  2. Step 2: Convert to fraction form
    2,917.29/4,366.35 = 2,220.20/x
  3. Step 3: Cross multiply
    2,917.29x = 4,366.35 × 2,220.20
  4. Step 4: Simplify right side
    2,917.29x = 9,694,148.44
  5. Step 5: Solve for x
    x = 9,694,148.44/2,917.29
  6. Step 6: Final answer
    x = 3,323.00

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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.