Home / 2,146.43-2,962.19-1,307

Finding the Fourth Proportional to 2,146.43, 2,962.19 and 1,307

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Solution

The fourth proportional to 2,146.43, 2,962.19 and 1,307 is: 1,803.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.43 : 2,962.19 = 1,307 : x
  2. Step 2: Convert to fraction form
    2,146.43/2,962.19 = 1,307/x
  3. Step 3: Cross multiply
    2,146.43x = 2,962.19 × 1,307
  4. Step 4: Simplify right side
    2,146.43x = 3,871,582.33
  5. Step 5: Solve for x
    x = 3,871,582.33/2,146.43
  6. Step 6: Final answer
    x = 1,803.73

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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.