Home / 3,199.60-4,417.32-2,152.72

Finding the Fourth Proportional to 3,199.60, 4,417.32 and 2,152.72

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Solution

The fourth proportional to 3,199.60, 4,417.32 and 2,152.72 is: 2,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.60 : 4,417.32 = 2,152.72 : x
  2. Step 2: Convert to fraction form
    3,199.60/4,417.32 = 2,152.72/x
  3. Step 3: Cross multiply
    3,199.60x = 4,417.32 × 2,152.72
  4. Step 4: Simplify right side
    3,199.60x = 9,509,253.11
  5. Step 5: Solve for x
    x = 9,509,253.11/3,199.60
  6. Step 6: Final answer
    x = 2,972.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.