Home / 1,258.05-1,887.62-895.17

Finding the Fourth Proportional to 1,258.05, 1,887.62 and 895.17

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Solution

The fourth proportional to 1,258.05, 1,887.62 and 895.17 is: 1,343.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258.05 : 1,887.62 = 895.17 : x
  2. Step 2: Convert to fraction form
    1,258.05/1,887.62 = 895.17/x
  3. Step 3: Cross multiply
    1,258.05x = 1,887.62 × 895.17
  4. Step 4: Simplify right side
    1,258.05x = 1,689,736.32
  5. Step 5: Solve for x
    x = 1,689,736.32/1,258.05
  6. Step 6: Final answer
    x = 1,343.14

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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.