Home / 2,301.21-3,175.47-1,306.44

Finding the Fourth Proportional to 2,301.21, 3,175.47 and 1,306.44

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Solution

The fourth proportional to 2,301.21, 3,175.47 and 1,306.44 is: 1,802.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.21 : 3,175.47 = 1,306.44 : x
  2. Step 2: Convert to fraction form
    2,301.21/3,175.47 = 1,306.44/x
  3. Step 3: Cross multiply
    2,301.21x = 3,175.47 × 1,306.44
  4. Step 4: Simplify right side
    2,301.21x = 4,148,561.03
  5. Step 5: Solve for x
    x = 4,148,561.03/2,301.21
  6. Step 6: Final answer
    x = 1,802.77

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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.