Home / 3,569.32-5,355.60-2,111.32

Finding the Fourth Proportional to 3,569.32, 5,355.60 and 2,111.32

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Solution

The fourth proportional to 3,569.32, 5,355.60 and 2,111.32 is: 3,167.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.32 : 5,355.60 = 2,111.32 : x
  2. Step 2: Convert to fraction form
    3,569.32/5,355.60 = 2,111.32/x
  3. Step 3: Cross multiply
    3,569.32x = 5,355.60 × 2,111.32
  4. Step 4: Simplify right side
    3,569.32x = 11,307,385.39
  5. Step 5: Solve for x
    x = 11,307,385.39/3,569.32
  6. Step 6: Final answer
    x = 3,167.94

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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.