Home / 3,133.91-4,314.93-2,385.47

Finding the Fourth Proportional to 3,133.91, 4,314.93 and 2,385.47

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Solution

The fourth proportional to 3,133.91, 4,314.93 and 2,385.47 is: 3,284.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.91 : 4,314.93 = 2,385.47 : x
  2. Step 2: Convert to fraction form
    3,133.91/4,314.93 = 2,385.47/x
  3. Step 3: Cross multiply
    3,133.91x = 4,314.93 × 2,385.47
  4. Step 4: Simplify right side
    3,133.91x = 10,293,136.07
  5. Step 5: Solve for x
    x = 10,293,136.07/3,133.91
  6. Step 6: Final answer
    x = 3,284.44

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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.