Home / 2,625.28-3,938.40-894.08

Finding the Fourth Proportional to 2,625.28, 3,938.40 and 894.08

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Solution

The fourth proportional to 2,625.28, 3,938.40 and 894.08 is: 1,341.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.28 : 3,938.40 = 894.08 : x
  2. Step 2: Convert to fraction form
    2,625.28/3,938.40 = 894.08/x
  3. Step 3: Cross multiply
    2,625.28x = 3,938.40 × 894.08
  4. Step 4: Simplify right side
    2,625.28x = 3,521,244.67
  5. Step 5: Solve for x
    x = 3,521,244.67/2,625.28
  6. Step 6: Final answer
    x = 1,341.28

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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.