Home / 4,042.51-5,578.67-2,274.08

Finding the Fourth Proportional to 4,042.51, 5,578.67 and 2,274.08

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Solution

The fourth proportional to 4,042.51, 5,578.67 and 2,274.08 is: 3,138.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.51 : 5,578.67 = 2,274.08 : x
  2. Step 2: Convert to fraction form
    4,042.51/5,578.67 = 2,274.08/x
  3. Step 3: Cross multiply
    4,042.51x = 5,578.67 × 2,274.08
  4. Step 4: Simplify right side
    4,042.51x = 12,686,319.67
  5. Step 5: Solve for x
    x = 12,686,319.67/4,042.51
  6. Step 6: Final answer
    x = 3,138.23

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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.