Home / 3,114.07-4,295.16-2,117.58

Finding the Fourth Proportional to 3,114.07, 4,295.16 and 2,117.58

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Solution

The fourth proportional to 3,114.07, 4,295.16 and 2,117.58 is: 2,920.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.07 : 4,295.16 = 2,117.58 : x
  2. Step 2: Convert to fraction form
    3,114.07/4,295.16 = 2,117.58/x
  3. Step 3: Cross multiply
    3,114.07x = 4,295.16 × 2,117.58
  4. Step 4: Simplify right side
    3,114.07x = 9,095,344.91
  5. Step 5: Solve for x
    x = 9,095,344.91/3,114.07
  6. Step 6: Final answer
    x = 2,920.73

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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.