Home / 3,302.32-4,963.20-2,155.36

Finding the Fourth Proportional to 3,302.32, 4,963.20 and 2,155.36

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Solution

The fourth proportional to 3,302.32, 4,963.20 and 2,155.36 is: 3,239.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,302.32 : 4,963.20 = 2,155.36 : x
  2. Step 2: Convert to fraction form
    3,302.32/4,963.20 = 2,155.36/x
  3. Step 3: Cross multiply
    3,302.32x = 4,963.20 × 2,155.36
  4. Step 4: Simplify right side
    3,302.32x = 10,697,482.75
  5. Step 5: Solve for x
    x = 10,697,482.75/3,302.32
  6. Step 6: Final answer
    x = 3,239.38

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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.