Home / 3,042.28-4,569.18-2,178.28

Finding the Fourth Proportional to 3,042.28, 4,569.18 and 2,178.28

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Solution

The fourth proportional to 3,042.28, 4,569.18 and 2,178.28 is: 3,271.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.28 : 4,569.18 = 2,178.28 : x
  2. Step 2: Convert to fraction form
    3,042.28/4,569.18 = 2,178.28/x
  3. Step 3: Cross multiply
    3,042.28x = 4,569.18 × 2,178.28
  4. Step 4: Simplify right side
    3,042.28x = 9,952,953.41
  5. Step 5: Solve for x
    x = 9,952,953.41/3,042.28
  6. Step 6: Final answer
    x = 3,271.54

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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.