Home / 4,081.37-5,632.40-2,312.91

Finding the Fourth Proportional to 4,081.37, 5,632.40 and 2,312.91

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Solution

The fourth proportional to 4,081.37, 5,632.40 and 2,312.91 is: 3,191.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.37 : 5,632.40 = 2,312.91 : x
  2. Step 2: Convert to fraction form
    4,081.37/5,632.40 = 2,312.91/x
  3. Step 3: Cross multiply
    4,081.37x = 5,632.40 × 2,312.91
  4. Step 4: Simplify right side
    4,081.37x = 13,027,240.07
  5. Step 5: Solve for x
    x = 13,027,240.07/4,081.37
  6. Step 6: Final answer
    x = 3,191.88

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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.