Home / 2,877.46-4,317.10-2,187.44

Finding the Fourth Proportional to 2,877.46, 4,317.10 and 2,187.44

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Solution

The fourth proportional to 2,877.46, 4,317.10 and 2,187.44 is: 3,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.46 : 4,317.10 = 2,187.44 : x
  2. Step 2: Convert to fraction form
    2,877.46/4,317.10 = 2,187.44/x
  3. Step 3: Cross multiply
    2,877.46x = 4,317.10 × 2,187.44
  4. Step 4: Simplify right side
    2,877.46x = 9,443,386.36
  5. Step 5: Solve for x
    x = 9,443,386.36/2,877.46
  6. Step 6: Final answer
    x = 3,281.85

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1.5x scale

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.