Home / 2,985.32-4,468.62-1,885.88

Finding the Fourth Proportional to 2,985.32, 4,468.62 and 1,885.88

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Solution

The fourth proportional to 2,985.32, 4,468.62 and 1,885.88 is: 2,822.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.32 : 4,468.62 = 1,885.88 : x
  2. Step 2: Convert to fraction form
    2,985.32/4,468.62 = 1,885.88/x
  3. Step 3: Cross multiply
    2,985.32x = 4,468.62 × 1,885.88
  4. Step 4: Simplify right side
    2,985.32x = 8,427,281.09
  5. Step 5: Solve for x
    x = 8,427,281.09/2,985.32
  6. Step 6: Final answer
    x = 2,822.91

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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.