Home / 2,372.93-3,274.67-1,378.25

Finding the Fourth Proportional to 2,372.93, 3,274.67 and 1,378.25

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Solution

The fourth proportional to 2,372.93, 3,274.67 and 1,378.25 is: 1,902.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.93 : 3,274.67 = 1,378.25 : x
  2. Step 2: Convert to fraction form
    2,372.93/3,274.67 = 1,378.25/x
  3. Step 3: Cross multiply
    2,372.93x = 3,274.67 × 1,378.25
  4. Step 4: Simplify right side
    2,372.93x = 4,513,313.93
  5. Step 5: Solve for x
    x = 4,513,313.93/2,372.93
  6. Step 6: Final answer
    x = 1,902.00

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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.