Home / 2,937.30-4,408.56-1,378.14

Finding the Fourth Proportional to 2,937.30, 4,408.56 and 1,378.14

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Solution

The fourth proportional to 2,937.30, 4,408.56 and 1,378.14 is: 2,068.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.30 : 4,408.56 = 1,378.14 : x
  2. Step 2: Convert to fraction form
    2,937.30/4,408.56 = 1,378.14/x
  3. Step 3: Cross multiply
    2,937.30x = 4,408.56 × 1,378.14
  4. Step 4: Simplify right side
    2,937.30x = 6,075,612.88
  5. Step 5: Solve for x
    x = 6,075,612.88/2,937.30
  6. Step 6: Final answer
    x = 2,068.43

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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.