Home / 2,859.26-4,292.55-1,561.64

Finding the Fourth Proportional to 2,859.26, 4,292.55 and 1,561.64

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Solution

The fourth proportional to 2,859.26, 4,292.55 and 1,561.64 is: 2,344.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.26 : 4,292.55 = 1,561.64 : x
  2. Step 2: Convert to fraction form
    2,859.26/4,292.55 = 1,561.64/x
  3. Step 3: Cross multiply
    2,859.26x = 4,292.55 × 1,561.64
  4. Step 4: Simplify right side
    2,859.26x = 6,703,417.78
  5. Step 5: Solve for x
    x = 6,703,417.78/2,859.26
  6. Step 6: Final answer
    x = 2,344.46

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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.