Home / 4,122.29-5,688.77-2,259.29

Finding the Fourth Proportional to 4,122.29, 5,688.77 and 2,259.29

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Solution

The fourth proportional to 4,122.29, 5,688.77 and 2,259.29 is: 3,117.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.29 : 5,688.77 = 2,259.29 : x
  2. Step 2: Convert to fraction form
    4,122.29/5,688.77 = 2,259.29/x
  3. Step 3: Cross multiply
    4,122.29x = 5,688.77 × 2,259.29
  4. Step 4: Simplify right side
    4,122.29x = 12,852,584.10
  5. Step 5: Solve for x
    x = 12,852,584.10/4,122.29
  6. Step 6: Final answer
    x = 3,117.82

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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.