Home / 2,677.08-4,015.58-1,377.80

Finding the Fourth Proportional to 2,677.08, 4,015.58 and 1,377.80

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Solution

The fourth proportional to 2,677.08, 4,015.58 and 1,377.80 is: 2,066.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.08 : 4,015.58 = 1,377.80 : x
  2. Step 2: Convert to fraction form
    2,677.08/4,015.58 = 1,377.80/x
  3. Step 3: Cross multiply
    2,677.08x = 4,015.58 × 1,377.80
  4. Step 4: Simplify right side
    2,677.08x = 5,532,666.12
  5. Step 5: Solve for x
    x = 5,532,666.12/2,677.08
  6. Step 6: Final answer
    x = 2,066.68

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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.