Home / 3,343.75-4,614.48-1,851.81

Finding the Fourth Proportional to 3,343.75, 4,614.48 and 1,851.81

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Solution

The fourth proportional to 3,343.75, 4,614.48 and 1,851.81 is: 2,555.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.75 : 4,614.48 = 1,851.81 : x
  2. Step 2: Convert to fraction form
    3,343.75/4,614.48 = 1,851.81/x
  3. Step 3: Cross multiply
    3,343.75x = 4,614.48 × 1,851.81
  4. Step 4: Simplify right side
    3,343.75x = 8,545,122.90
  5. Step 5: Solve for x
    x = 8,545,122.90/3,343.75
  6. Step 6: Final answer
    x = 2,555.55

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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.