Home / 2,886.32-3,983.11-1,560.02

Finding the Fourth Proportional to 2,886.32, 3,983.11 and 1,560.02

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Solution

The fourth proportional to 2,886.32, 3,983.11 and 1,560.02 is: 2,152.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.32 : 3,983.11 = 1,560.02 : x
  2. Step 2: Convert to fraction form
    2,886.32/3,983.11 = 1,560.02/x
  3. Step 3: Cross multiply
    2,886.32x = 3,983.11 × 1,560.02
  4. Step 4: Simplify right side
    2,886.32x = 6,213,724.50
  5. Step 5: Solve for x
    x = 6,213,724.50/2,886.32
  6. Step 6: Final answer
    x = 2,152.82

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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.