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Finding the Fourth Proportional to 1,707.11, 2,559.86 and 884.56

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Solution

The fourth proportional to 1,707.11, 2,559.86 and 884.56 is: 1,326.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.11 : 2,559.86 = 884.56 : x
  2. Step 2: Convert to fraction form
    1,707.11/2,559.86 = 884.56/x
  3. Step 3: Cross multiply
    1,707.11x = 2,559.86 × 884.56
  4. Step 4: Simplify right side
    1,707.11x = 2,264,332.54
  5. Step 5: Solve for x
    x = 2,264,332.54/1,707.11
  6. Step 6: Final answer
    x = 1,326.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.