Home / 4,117.26-5,680.89-2,856.36

Finding the Fourth Proportional to 4,117.26, 5,680.89 and 2,856.36

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Solution

The fourth proportional to 4,117.26, 5,680.89 and 2,856.36 is: 3,941.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.26 : 5,680.89 = 2,856.36 : x
  2. Step 2: Convert to fraction form
    4,117.26/5,680.89 = 2,856.36/x
  3. Step 3: Cross multiply
    4,117.26x = 5,680.89 × 2,856.36
  4. Step 4: Simplify right side
    4,117.26x = 16,226,666.96
  5. Step 5: Solve for x
    x = 16,226,666.96/4,117.26
  6. Step 6: Final answer
    x = 3,941.13

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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.