Home / 1,325.14-1,824.51-1,125.54

Finding the Fourth Proportional to 1,325.14, 1,824.51 and 1,125.54

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Solution

The fourth proportional to 1,325.14, 1,824.51 and 1,125.54 is: 1,549.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325.14 : 1,824.51 = 1,125.54 : x
  2. Step 2: Convert to fraction form
    1,325.14/1,824.51 = 1,125.54/x
  3. Step 3: Cross multiply
    1,325.14x = 1,824.51 × 1,125.54
  4. Step 4: Simplify right side
    1,325.14x = 2,053,558.99
  5. Step 5: Solve for x
    x = 2,053,558.99/1,325.14
  6. Step 6: Final answer
    x = 1,549.70

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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.