Home / 3,045.52-4,202.78-1,648.24

Finding the Fourth Proportional to 3,045.52, 4,202.78 and 1,648.24

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Solution

The fourth proportional to 3,045.52, 4,202.78 and 1,648.24 is: 2,274.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.52 : 4,202.78 = 1,648.24 : x
  2. Step 2: Convert to fraction form
    3,045.52/4,202.78 = 1,648.24/x
  3. Step 3: Cross multiply
    3,045.52x = 4,202.78 × 1,648.24
  4. Step 4: Simplify right side
    3,045.52x = 6,927,190.11
  5. Step 5: Solve for x
    x = 6,927,190.11/3,045.52
  6. Step 6: Final answer
    x = 2,274.55

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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.