Home / 2,381.27-3,572.37-738.32

Finding the Fourth Proportional to 2,381.27, 3,572.37 and 738.32

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Solution

The fourth proportional to 2,381.27, 3,572.37 and 738.32 is: 1,107.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.27 : 3,572.37 = 738.32 : x
  2. Step 2: Convert to fraction form
    2,381.27/3,572.37 = 738.32/x
  3. Step 3: Cross multiply
    2,381.27x = 3,572.37 × 738.32
  4. Step 4: Simplify right side
    2,381.27x = 2,637,534.36
  5. Step 5: Solve for x
    x = 2,637,534.36/2,381.27
  6. Step 6: Final answer
    x = 1,107.62

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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.