Home / 3,872.34-5,341.95-2,299.32

Finding the Fourth Proportional to 3,872.34, 5,341.95 and 2,299.32

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Solution

The fourth proportional to 3,872.34, 5,341.95 and 2,299.32 is: 3,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.34 : 5,341.95 = 2,299.32 : x
  2. Step 2: Convert to fraction form
    3,872.34/5,341.95 = 2,299.32/x
  3. Step 3: Cross multiply
    3,872.34x = 5,341.95 × 2,299.32
  4. Step 4: Simplify right side
    3,872.34x = 12,282,852.47
  5. Step 5: Solve for x
    x = 12,282,852.47/3,872.34
  6. Step 6: Final answer
    x = 3,171.95

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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.