Home / 1,742.58-2,623.38-1,589.49

Finding the Fourth Proportional to 1,742.58, 2,623.38 and 1,589.49

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Solution

The fourth proportional to 1,742.58, 2,623.38 and 1,589.49 is: 2,392.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.58 : 2,623.38 = 1,589.49 : x
  2. Step 2: Convert to fraction form
    1,742.58/2,623.38 = 1,589.49/x
  3. Step 3: Cross multiply
    1,742.58x = 2,623.38 × 1,589.49
  4. Step 4: Simplify right side
    1,742.58x = 4,169,836.28
  5. Step 5: Solve for x
    x = 4,169,836.28/1,742.58
  6. Step 6: Final answer
    x = 2,392.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.