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Finding the Fourth Proportional to 2,375.38, 3,570.76 and 1,919.18

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Solution

The fourth proportional to 2,375.38, 3,570.76 and 1,919.18 is: 2,884.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.38 : 3,570.76 = 1,919.18 : x
  2. Step 2: Convert to fraction form
    2,375.38/3,570.76 = 1,919.18/x
  3. Step 3: Cross multiply
    2,375.38x = 3,570.76 × 1,919.18
  4. Step 4: Simplify right side
    2,375.38x = 6,852,931.18
  5. Step 5: Solve for x
    x = 6,852,931.18/2,375.38
  6. Step 6: Final answer
    x = 2,884.98

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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.