Home / 2,045.75-2,823.14-1,161.56

Finding the Fourth Proportional to 2,045.75, 2,823.14 and 1,161.56

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Solution

The fourth proportional to 2,045.75, 2,823.14 and 1,161.56 is: 1,602.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.75 : 2,823.14 = 1,161.56 : x
  2. Step 2: Convert to fraction form
    2,045.75/2,823.14 = 1,161.56/x
  3. Step 3: Cross multiply
    2,045.75x = 2,823.14 × 1,161.56
  4. Step 4: Simplify right side
    2,045.75x = 3,279,226.57
  5. Step 5: Solve for x
    x = 3,279,226.57/2,045.75
  6. Step 6: Final answer
    x = 1,602.95

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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.