Home / 1,258.14-1,896.87-1,173.45

Finding the Fourth Proportional to 1,258.14, 1,896.87 and 1,173.45

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Solution

The fourth proportional to 1,258.14, 1,896.87 and 1,173.45 is: 1,769.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258.14 : 1,896.87 = 1,173.45 : x
  2. Step 2: Convert to fraction form
    1,258.14/1,896.87 = 1,173.45/x
  3. Step 3: Cross multiply
    1,258.14x = 1,896.87 × 1,173.45
  4. Step 4: Simplify right side
    1,258.14x = 2,225,882.10
  5. Step 5: Solve for x
    x = 2,225,882.10/1,258.14
  6. Step 6: Final answer
    x = 1,769.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.