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Finding the Fourth Proportional to 3,975.32, 5,959.08 and 1,894.76

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Solution

The fourth proportional to 3,975.32, 5,959.08 and 1,894.76 is: 2,840.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.32 : 5,959.08 = 1,894.76 : x
  2. Step 2: Convert to fraction form
    3,975.32/5,959.08 = 1,894.76/x
  3. Step 3: Cross multiply
    3,975.32x = 5,959.08 × 1,894.76
  4. Step 4: Simplify right side
    3,975.32x = 11,291,026.42
  5. Step 5: Solve for x
    x = 11,291,026.42/3,975.32
  6. Step 6: Final answer
    x = 2,840.28

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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.