Home / 1,887.28-2,604.60-1,048.07

Finding the Fourth Proportional to 1,887.28, 2,604.60 and 1,048.07

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Solution

The fourth proportional to 1,887.28, 2,604.60 and 1,048.07 is: 1,446.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.28 : 2,604.60 = 1,048.07 : x
  2. Step 2: Convert to fraction form
    1,887.28/2,604.60 = 1,048.07/x
  3. Step 3: Cross multiply
    1,887.28x = 2,604.60 × 1,048.07
  4. Step 4: Simplify right side
    1,887.28x = 2,729,803.12
  5. Step 5: Solve for x
    x = 2,729,803.12/1,887.28
  6. Step 6: Final answer
    x = 1,446.42

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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.