Home / 2,153.48-3,231.23-1,058.63

Finding the Fourth Proportional to 2,153.48, 3,231.23 and 1,058.63

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Solution

The fourth proportional to 2,153.48, 3,231.23 and 1,058.63 is: 1,588.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153.48 : 3,231.23 = 1,058.63 : x
  2. Step 2: Convert to fraction form
    2,153.48/3,231.23 = 1,058.63/x
  3. Step 3: Cross multiply
    2,153.48x = 3,231.23 × 1,058.63
  4. Step 4: Simplify right side
    2,153.48x = 3,420,655.57
  5. Step 5: Solve for x
    x = 3,420,655.57/2,153.48
  6. Step 6: Final answer
    x = 1,588.44

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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.