Home / 1,887.51-2,604.80-1,141.34

Finding the Fourth Proportional to 1,887.51, 2,604.80 and 1,141.34

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Solution

The fourth proportional to 1,887.51, 2,604.80 and 1,141.34 is: 1,575.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.51 : 2,604.80 = 1,141.34 : x
  2. Step 2: Convert to fraction form
    1,887.51/2,604.80 = 1,141.34/x
  3. Step 3: Cross multiply
    1,887.51x = 2,604.80 × 1,141.34
  4. Step 4: Simplify right side
    1,887.51x = 2,972,960.49
  5. Step 5: Solve for x
    x = 2,972,960.49/1,887.51
  6. Step 6: Final answer
    x = 1,575.07

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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.