Home / 2,574.06-3,859.74-1,112.55

Finding the Fourth Proportional to 2,574.06, 3,859.74 and 1,112.55

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Solution

The fourth proportional to 2,574.06, 3,859.74 and 1,112.55 is: 1,668.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.06 : 3,859.74 = 1,112.55 : x
  2. Step 2: Convert to fraction form
    2,574.06/3,859.74 = 1,112.55/x
  3. Step 3: Cross multiply
    2,574.06x = 3,859.74 × 1,112.55
  4. Step 4: Simplify right side
    2,574.06x = 4,294,153.74
  5. Step 5: Solve for x
    x = 4,294,153.74/2,574.06
  6. Step 6: Final answer
    x = 1,668.24

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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.