Home / 2,937.42-4,399.98-1,378.74

Finding the Fourth Proportional to 2,937.42, 4,399.98 and 1,378.74

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Solution

The fourth proportional to 2,937.42, 4,399.98 and 1,378.74 is: 2,065.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.42 : 4,399.98 = 1,378.74 : x
  2. Step 2: Convert to fraction form
    2,937.42/4,399.98 = 1,378.74/x
  3. Step 3: Cross multiply
    2,937.42x = 4,399.98 × 1,378.74
  4. Step 4: Simplify right side
    2,937.42x = 6,066,428.43
  5. Step 5: Solve for x
    x = 6,066,428.43/2,937.42
  6. Step 6: Final answer
    x = 2,065.22

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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.