Home / 2,908.11-4,385.93-2,856.27

Finding the Fourth Proportional to 2,908.11, 4,385.93 and 2,856.27

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Solution

The fourth proportional to 2,908.11, 4,385.93 and 2,856.27 is: 4,307.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.11 : 4,385.93 = 2,856.27 : x
  2. Step 2: Convert to fraction form
    2,908.11/4,385.93 = 2,856.27/x
  3. Step 3: Cross multiply
    2,908.11x = 4,385.93 × 2,856.27
  4. Step 4: Simplify right side
    2,908.11x = 12,527,407.42
  5. Step 5: Solve for x
    x = 12,527,407.42/2,908.11
  6. Step 6: Final answer
    x = 4,307.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.