Home / 2,154.45-3,230.16-1,058.12

Finding the Fourth Proportional to 2,154.45, 3,230.16 and 1,058.12

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Solution

The fourth proportional to 2,154.45, 3,230.16 and 1,058.12 is: 1,586.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154.45 : 3,230.16 = 1,058.12 : x
  2. Step 2: Convert to fraction form
    2,154.45/3,230.16 = 1,058.12/x
  3. Step 3: Cross multiply
    2,154.45x = 3,230.16 × 1,058.12
  4. Step 4: Simplify right side
    2,154.45x = 3,417,896.90
  5. Step 5: Solve for x
    x = 3,417,896.90/2,154.45
  6. Step 6: Final answer
    x = 1,586.44

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1.5x scale

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.