Home / 1,794.78-2,475.75-1,131.39

Finding the Fourth Proportional to 1,794.78, 2,475.75 and 1,131.39

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Solution

The fourth proportional to 1,794.78, 2,475.75 and 1,131.39 is: 1,560.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794.78 : 2,475.75 = 1,131.39 : x
  2. Step 2: Convert to fraction form
    1,794.78/2,475.75 = 1,131.39/x
  3. Step 3: Cross multiply
    1,794.78x = 2,475.75 × 1,131.39
  4. Step 4: Simplify right side
    1,794.78x = 2,801,038.79
  5. Step 5: Solve for x
    x = 2,801,038.79/1,794.78
  6. Step 6: Final answer
    x = 1,560.66

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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.