Home / 3,423.48-4,724.39-1,851.57

Finding the Fourth Proportional to 3,423.48, 4,724.39 and 1,851.57

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Solution

The fourth proportional to 3,423.48, 4,724.39 and 1,851.57 is: 2,555.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.48 : 4,724.39 = 1,851.57 : x
  2. Step 2: Convert to fraction form
    3,423.48/4,724.39 = 1,851.57/x
  3. Step 3: Cross multiply
    3,423.48x = 4,724.39 × 1,851.57
  4. Step 4: Simplify right side
    3,423.48x = 8,747,529.53
  5. Step 5: Solve for x
    x = 8,747,529.53/3,423.48
  6. Step 6: Final answer
    x = 2,555.16

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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.