Home / 3,922.72-5,875.08-2,275.18

Finding the Fourth Proportional to 3,922.72, 5,875.08 and 2,275.18

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Solution

The fourth proportional to 3,922.72, 5,875.08 and 2,275.18 is: 3,407.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.72 : 5,875.08 = 2,275.18 : x
  2. Step 2: Convert to fraction form
    3,922.72/5,875.08 = 2,275.18/x
  3. Step 3: Cross multiply
    3,922.72x = 5,875.08 × 2,275.18
  4. Step 4: Simplify right side
    3,922.72x = 13,366,864.51
  5. Step 5: Solve for x
    x = 13,366,864.51/3,922.72
  6. Step 6: Final answer
    x = 3,407.55

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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.