Home / 1,887.40-2,604.16-1,101

Finding the Fourth Proportional to 1,887.40, 2,604.16 and 1,101

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Solution

The fourth proportional to 1,887.40, 2,604.16 and 1,101 is: 1,519.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.40 : 2,604.16 = 1,101 : x
  2. Step 2: Convert to fraction form
    1,887.40/2,604.16 = 1,101/x
  3. Step 3: Cross multiply
    1,887.40x = 2,604.16 × 1,101
  4. Step 4: Simplify right side
    1,887.40x = 2,867,180.16
  5. Step 5: Solve for x
    x = 2,867,180.16/1,887.40
  6. Step 6: Final answer
    x = 1,519.12

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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.