Home / 4,185.71-6,274.85-1,590.47

Finding the Fourth Proportional to 4,185.71, 6,274.85 and 1,590.47

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Solution

The fourth proportional to 4,185.71, 6,274.85 and 1,590.47 is: 2,384.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.71 : 6,274.85 = 1,590.47 : x
  2. Step 2: Convert to fraction form
    4,185.71/6,274.85 = 1,590.47/x
  3. Step 3: Cross multiply
    4,185.71x = 6,274.85 × 1,590.47
  4. Step 4: Simplify right side
    4,185.71x = 9,979,960.68
  5. Step 5: Solve for x
    x = 9,979,960.68/4,185.71
  6. Step 6: Final answer
    x = 2,384.29

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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.