Home / 4,285.20-5,913.16-2,422.16

Finding the Fourth Proportional to 4,285.20, 5,913.16 and 2,422.16

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Solution

The fourth proportional to 4,285.20, 5,913.16 and 2,422.16 is: 3,342.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.20 : 5,913.16 = 2,422.16 : x
  2. Step 2: Convert to fraction form
    4,285.20/5,913.16 = 2,422.16/x
  3. Step 3: Cross multiply
    4,285.20x = 5,913.16 × 2,422.16
  4. Step 4: Simplify right side
    4,285.20x = 14,322,619.63
  5. Step 5: Solve for x
    x = 14,322,619.63/4,285.20
  6. Step 6: Final answer
    x = 3,342.35

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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.