Home / 2,929.15-4,042.47-2,222.02

Finding the Fourth Proportional to 2,929.15, 4,042.47 and 2,222.02

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Solution

The fourth proportional to 2,929.15, 4,042.47 and 2,222.02 is: 3,066.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.15 : 4,042.47 = 2,222.02 : x
  2. Step 2: Convert to fraction form
    2,929.15/4,042.47 = 2,222.02/x
  3. Step 3: Cross multiply
    2,929.15x = 4,042.47 × 2,222.02
  4. Step 4: Simplify right side
    2,929.15x = 8,982,449.19
  5. Step 5: Solve for x
    x = 8,982,449.19/2,929.15
  6. Step 6: Final answer
    x = 3,066.57

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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.