Home / 3,852.20-5,750.42-3,385.10

Finding the Fourth Proportional to 3,852.20, 5,750.42 and 3,385.10

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Solution

The fourth proportional to 3,852.20, 5,750.42 and 3,385.10 is: 5,053.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.20 : 5,750.42 = 3,385.10 : x
  2. Step 2: Convert to fraction form
    3,852.20/5,750.42 = 3,385.10/x
  3. Step 3: Cross multiply
    3,852.20x = 5,750.42 × 3,385.10
  4. Step 4: Simplify right side
    3,852.20x = 19,465,746.74
  5. Step 5: Solve for x
    x = 19,465,746.74/3,852.20
  6. Step 6: Final answer
    x = 5,053.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.