Home / 2,356.34-3,251.20-1,361.43

Finding the Fourth Proportional to 2,356.34, 3,251.20 and 1,361.43

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Solution

The fourth proportional to 2,356.34, 3,251.20 and 1,361.43 is: 1,878.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.34 : 3,251.20 = 1,361.43 : x
  2. Step 2: Convert to fraction form
    2,356.34/3,251.20 = 1,361.43/x
  3. Step 3: Cross multiply
    2,356.34x = 3,251.20 × 1,361.43
  4. Step 4: Simplify right side
    2,356.34x = 4,426,281.22
  5. Step 5: Solve for x
    x = 4,426,281.22/2,356.34
  6. Step 6: Final answer
    x = 1,878.46

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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.