Home / 2,859.85-4,290.27-1,010.49

Finding the Fourth Proportional to 2,859.85, 4,290.27 and 1,010.49

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Solution

The fourth proportional to 2,859.85, 4,290.27 and 1,010.49 is: 1,515.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.85 : 4,290.27 = 1,010.49 : x
  2. Step 2: Convert to fraction form
    2,859.85/4,290.27 = 1,010.49/x
  3. Step 3: Cross multiply
    2,859.85x = 4,290.27 × 1,010.49
  4. Step 4: Simplify right side
    2,859.85x = 4,335,274.93
  5. Step 5: Solve for x
    x = 4,335,274.93/2,859.85
  6. Step 6: Final answer
    x = 1,515.91

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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.