Home / 3,569.12-5,352.64-1,377.34

Finding the Fourth Proportional to 3,569.12, 5,352.64 and 1,377.34

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Solution

The fourth proportional to 3,569.12, 5,352.64 and 1,377.34 is: 2,065.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.12 : 5,352.64 = 1,377.34 : x
  2. Step 2: Convert to fraction form
    3,569.12/5,352.64 = 1,377.34/x
  3. Step 3: Cross multiply
    3,569.12x = 5,352.64 × 1,377.34
  4. Step 4: Simplify right side
    3,569.12x = 7,372,388.35
  5. Step 5: Solve for x
    x = 7,372,388.35/3,569.12
  6. Step 6: Final answer
    x = 2,065.61

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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.