Home / 3,134.60-4,325.62-1,874.91

Finding the Fourth Proportional to 3,134.60, 4,325.62 and 1,874.91

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Solution

The fourth proportional to 3,134.60, 4,325.62 and 1,874.91 is: 2,587.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.60 : 4,325.62 = 1,874.91 : x
  2. Step 2: Convert to fraction form
    3,134.60/4,325.62 = 1,874.91/x
  3. Step 3: Cross multiply
    3,134.60x = 4,325.62 × 1,874.91
  4. Step 4: Simplify right side
    3,134.60x = 8,110,148.19
  5. Step 5: Solve for x
    x = 8,110,148.19/3,134.60
  6. Step 6: Final answer
    x = 2,587.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.