Home / 1,887.09-2,604.74-1,258.53

Finding the Fourth Proportional to 1,887.09, 2,604.74 and 1,258.53

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Solution

The fourth proportional to 1,887.09, 2,604.74 and 1,258.53 is: 1,737.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.09 : 2,604.74 = 1,258.53 : x
  2. Step 2: Convert to fraction form
    1,887.09/2,604.74 = 1,258.53/x
  3. Step 3: Cross multiply
    1,887.09x = 2,604.74 × 1,258.53
  4. Step 4: Simplify right side
    1,887.09x = 3,278,137.14
  5. Step 5: Solve for x
    x = 3,278,137.14/1,887.09
  6. Step 6: Final answer
    x = 1,737.14

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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.