Home / 1,356.44-2,023.21-1,315.43

Finding the Fourth Proportional to 1,356.44, 2,023.21 and 1,315.43

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Solution

The fourth proportional to 1,356.44, 2,023.21 and 1,315.43 is: 1,962.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356.44 : 2,023.21 = 1,315.43 : x
  2. Step 2: Convert to fraction form
    1,356.44/2,023.21 = 1,315.43/x
  3. Step 3: Cross multiply
    1,356.44x = 2,023.21 × 1,315.43
  4. Step 4: Simplify right side
    1,356.44x = 2,661,374.44
  5. Step 5: Solve for x
    x = 2,661,374.44/1,356.44
  6. Step 6: Final answer
    x = 1,962.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.