Home / 2,876.45-4,308.35-2,377.20

Finding the Fourth Proportional to 2,876.45, 4,308.35 and 2,377.20

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Solution

The fourth proportional to 2,876.45, 4,308.35 and 2,377.20 is: 3,560.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.45 : 4,308.35 = 2,377.20 : x
  2. Step 2: Convert to fraction form
    2,876.45/4,308.35 = 2,377.20/x
  3. Step 3: Cross multiply
    2,876.45x = 4,308.35 × 2,377.20
  4. Step 4: Simplify right side
    2,876.45x = 10,241,783.06
  5. Step 5: Solve for x
    x = 10,241,783.06/2,876.45
  6. Step 6: Final answer
    x = 3,560.57

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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.