Home / 2,877.18-4,315.70-1,641.48

Finding the Fourth Proportional to 2,877.18, 4,315.70 and 1,641.48

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Solution

The fourth proportional to 2,877.18, 4,315.70 and 1,641.48 is: 2,462.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.18 : 4,315.70 = 1,641.48 : x
  2. Step 2: Convert to fraction form
    2,877.18/4,315.70 = 1,641.48/x
  3. Step 3: Cross multiply
    2,877.18x = 4,315.70 × 1,641.48
  4. Step 4: Simplify right side
    2,877.18x = 7,084,135.24
  5. Step 5: Solve for x
    x = 7,084,135.24/2,877.18
  6. Step 6: Final answer
    x = 2,462.18

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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.