Home / 1,818.16-2,720.04-1,577.44

Finding the Fourth Proportional to 1,818.16, 2,720.04 and 1,577.44

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Solution

The fourth proportional to 1,818.16, 2,720.04 and 1,577.44 is: 2,359.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.16 : 2,720.04 = 1,577.44 : x
  2. Step 2: Convert to fraction form
    1,818.16/2,720.04 = 1,577.44/x
  3. Step 3: Cross multiply
    1,818.16x = 2,720.04 × 1,577.44
  4. Step 4: Simplify right side
    1,818.16x = 4,290,699.90
  5. Step 5: Solve for x
    x = 4,290,699.90/1,818.16
  6. Step 6: Final answer
    x = 2,359.91

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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.