Home / 3,884.06-5,360.51-2,312.16

Finding the Fourth Proportional to 3,884.06, 5,360.51 and 2,312.16

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Solution

The fourth proportional to 3,884.06, 5,360.51 and 2,312.16 is: 3,191.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.06 : 5,360.51 = 2,312.16 : x
  2. Step 2: Convert to fraction form
    3,884.06/5,360.51 = 2,312.16/x
  3. Step 3: Cross multiply
    3,884.06x = 5,360.51 × 2,312.16
  4. Step 4: Simplify right side
    3,884.06x = 12,394,342.48
  5. Step 5: Solve for x
    x = 12,394,342.48/3,884.06
  6. Step 6: Final answer
    x = 3,191.08

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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.