Home / 2,910.32-4,368.60-1,612.88

Finding the Fourth Proportional to 2,910.32, 4,368.60 and 1,612.88

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Solution

The fourth proportional to 2,910.32, 4,368.60 and 1,612.88 is: 2,421.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.32 : 4,368.60 = 1,612.88 : x
  2. Step 2: Convert to fraction form
    2,910.32/4,368.60 = 1,612.88/x
  3. Step 3: Cross multiply
    2,910.32x = 4,368.60 × 1,612.88
  4. Step 4: Simplify right side
    2,910.32x = 7,046,027.57
  5. Step 5: Solve for x
    x = 7,046,027.57/2,910.32
  6. Step 6: Final answer
    x = 2,421.05

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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.