Home / 4,220.87-5,825.15-2,332.63

Finding the Fourth Proportional to 4,220.87, 5,825.15 and 2,332.63

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Solution

The fourth proportional to 4,220.87, 5,825.15 and 2,332.63 is: 3,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.87 : 5,825.15 = 2,332.63 : x
  2. Step 2: Convert to fraction form
    4,220.87/5,825.15 = 2,332.63/x
  3. Step 3: Cross multiply
    4,220.87x = 5,825.15 × 2,332.63
  4. Step 4: Simplify right side
    4,220.87x = 13,587,919.64
  5. Step 5: Solve for x
    x = 13,587,919.64/4,220.87
  6. Step 6: Final answer
    x = 3,219.22

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Half scale
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Double scale
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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.