Home / 2,623.42-3,617.97-1,865.71

Finding the Fourth Proportional to 2,623.42, 3,617.97 and 1,865.71

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Solution

The fourth proportional to 2,623.42, 3,617.97 and 1,865.71 is: 2,573.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.42 : 3,617.97 = 1,865.71 : x
  2. Step 2: Convert to fraction form
    2,623.42/3,617.97 = 1,865.71/x
  3. Step 3: Cross multiply
    2,623.42x = 3,617.97 × 1,865.71
  4. Step 4: Simplify right side
    2,623.42x = 6,750,064.72
  5. Step 5: Solve for x
    x = 6,750,064.72/2,623.42
  6. Step 6: Final answer
    x = 2,573.01

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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.