Home / 3,423.05-5,135.04-1,574.13

Finding the Fourth Proportional to 3,423.05, 5,135.04 and 1,574.13

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Solution

The fourth proportional to 3,423.05, 5,135.04 and 1,574.13 is: 2,361.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.05 : 5,135.04 = 1,574.13 : x
  2. Step 2: Convert to fraction form
    3,423.05/5,135.04 = 1,574.13/x
  3. Step 3: Cross multiply
    3,423.05x = 5,135.04 × 1,574.13
  4. Step 4: Simplify right side
    3,423.05x = 8,083,220.52
  5. Step 5: Solve for x
    x = 8,083,220.52/3,423.05
  6. Step 6: Final answer
    x = 2,361.41

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1.5x scale

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.