Home / 2,154.27-3,231.74-1,058.70

Finding the Fourth Proportional to 2,154.27, 3,231.74 and 1,058.70

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Solution

The fourth proportional to 2,154.27, 3,231.74 and 1,058.70 is: 1,588.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154.27 : 3,231.74 = 1,058.70 : x
  2. Step 2: Convert to fraction form
    2,154.27/3,231.74 = 1,058.70/x
  3. Step 3: Cross multiply
    2,154.27x = 3,231.74 × 1,058.70
  4. Step 4: Simplify right side
    2,154.27x = 3,421,437.84
  5. Step 5: Solve for x
    x = 3,421,437.84/2,154.27
  6. Step 6: Final answer
    x = 1,588.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.