Home / 2,301.84-3,175.02-1,416.78

Finding the Fourth Proportional to 2,301.84, 3,175.02 and 1,416.78

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Solution

The fourth proportional to 2,301.84, 3,175.02 and 1,416.78 is: 1,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.84 : 3,175.02 = 1,416.78 : x
  2. Step 2: Convert to fraction form
    2,301.84/3,175.02 = 1,416.78/x
  3. Step 3: Cross multiply
    2,301.84x = 3,175.02 × 1,416.78
  4. Step 4: Simplify right side
    2,301.84x = 4,498,304.84
  5. Step 5: Solve for x
    x = 4,498,304.84/2,301.84
  6. Step 6: Final answer
    x = 1,954.22

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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.