Home / 2,877.66-4,317.40-1,028.74

Finding the Fourth Proportional to 2,877.66, 4,317.40 and 1,028.74

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Solution

The fourth proportional to 2,877.66, 4,317.40 and 1,028.74 is: 1,543.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.66 : 4,317.40 = 1,028.74 : x
  2. Step 2: Convert to fraction form
    2,877.66/4,317.40 = 1,028.74/x
  3. Step 3: Cross multiply
    2,877.66x = 4,317.40 × 1,028.74
  4. Step 4: Simplify right side
    2,877.66x = 4,441,463.06
  5. Step 5: Solve for x
    x = 4,441,463.06/2,877.66
  6. Step 6: Final answer
    x = 1,543.43

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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.