Home / 3,542.32-5,300.88-2,155.12

Finding the Fourth Proportional to 3,542.32, 5,300.88 and 2,155.12

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Solution

The fourth proportional to 3,542.32, 5,300.88 and 2,155.12 is: 3,225.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.32 : 5,300.88 = 2,155.12 : x
  2. Step 2: Convert to fraction form
    3,542.32/5,300.88 = 2,155.12/x
  3. Step 3: Cross multiply
    3,542.32x = 5,300.88 × 2,155.12
  4. Step 4: Simplify right side
    3,542.32x = 11,424,032.51
  5. Step 5: Solve for x
    x = 11,424,032.51/3,542.32
  6. Step 6: Final answer
    x = 3,225.01

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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.