Home / 2,937.90-4,408.29-1,476.78

Finding the Fourth Proportional to 2,937.90, 4,408.29 and 1,476.78

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Solution

The fourth proportional to 2,937.90, 4,408.29 and 1,476.78 is: 2,215.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.90 : 4,408.29 = 1,476.78 : x
  2. Step 2: Convert to fraction form
    2,937.90/4,408.29 = 1,476.78/x
  3. Step 3: Cross multiply
    2,937.90x = 4,408.29 × 1,476.78
  4. Step 4: Simplify right side
    2,937.90x = 6,510,074.51
  5. Step 5: Solve for x
    x = 6,510,074.51/2,937.90
  6. Step 6: Final answer
    x = 2,215.89

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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.