Home / 2,991.12-4,483.80-1,530.96

Finding the Fourth Proportional to 2,991.12, 4,483.80 and 1,530.96

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Solution

The fourth proportional to 2,991.12, 4,483.80 and 1,530.96 is: 2,294.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.12 : 4,483.80 = 1,530.96 : x
  2. Step 2: Convert to fraction form
    2,991.12/4,483.80 = 1,530.96/x
  3. Step 3: Cross multiply
    2,991.12x = 4,483.80 × 1,530.96
  4. Step 4: Simplify right side
    2,991.12x = 6,864,518.45
  5. Step 5: Solve for x
    x = 6,864,518.45/2,991.12
  6. Step 6: Final answer
    x = 2,294.97

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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.