Home / 2,918.04-4,377.96-1,018.55

Finding the Fourth Proportional to 2,918.04, 4,377.96 and 1,018.55

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Solution

The fourth proportional to 2,918.04, 4,377.96 and 1,018.55 is: 1,528.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.04 : 4,377.96 = 1,018.55 : x
  2. Step 2: Convert to fraction form
    2,918.04/4,377.96 = 1,018.55/x
  3. Step 3: Cross multiply
    2,918.04x = 4,377.96 × 1,018.55
  4. Step 4: Simplify right side
    2,918.04x = 4,459,149.27
  5. Step 5: Solve for x
    x = 4,459,149.27/2,918.04
  6. Step 6: Final answer
    x = 1,528.13

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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.