Home / 1,887.60-2,604.48-1,141.42

Finding the Fourth Proportional to 1,887.60, 2,604.48 and 1,141.42

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Solution

The fourth proportional to 1,887.60, 2,604.48 and 1,141.42 is: 1,574.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.60 : 2,604.48 = 1,141.42 : x
  2. Step 2: Convert to fraction form
    1,887.60/2,604.48 = 1,141.42/x
  3. Step 3: Cross multiply
    1,887.60x = 2,604.48 × 1,141.42
  4. Step 4: Simplify right side
    1,887.60x = 2,972,805.56
  5. Step 5: Solve for x
    x = 2,972,805.56/1,887.60
  6. Step 6: Final answer
    x = 1,574.91

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1.5x scale

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.