Home / 2,389.76-3,297.52-1,341.76

Finding the Fourth Proportional to 2,389.76, 3,297.52 and 1,341.76

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Solution

The fourth proportional to 2,389.76, 3,297.52 and 1,341.76 is: 1,851.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.76 : 3,297.52 = 1,341.76 : x
  2. Step 2: Convert to fraction form
    2,389.76/3,297.52 = 1,341.76/x
  3. Step 3: Cross multiply
    2,389.76x = 3,297.52 × 1,341.76
  4. Step 4: Simplify right side
    2,389.76x = 4,424,480.44
  5. Step 5: Solve for x
    x = 4,424,480.44/2,389.76
  6. Step 6: Final answer
    x = 1,851.43

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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.