Home / 2,931.38-4,394.66-1,370.62

Finding the Fourth Proportional to 2,931.38, 4,394.66 and 1,370.62

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Solution

The fourth proportional to 2,931.38, 4,394.66 and 1,370.62 is: 2,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.38 : 4,394.66 = 1,370.62 : x
  2. Step 2: Convert to fraction form
    2,931.38/4,394.66 = 1,370.62/x
  3. Step 3: Cross multiply
    2,931.38x = 4,394.66 × 1,370.62
  4. Step 4: Simplify right side
    2,931.38x = 6,023,408.89
  5. Step 5: Solve for x
    x = 6,023,408.89/2,931.38
  6. Step 6: Final answer
    x = 2,054.80

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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.