Home / 2,153.12-3,228.10-1,058.25

Finding the Fourth Proportional to 2,153.12, 3,228.10 and 1,058.25

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Solution

The fourth proportional to 2,153.12, 3,228.10 and 1,058.25 is: 1,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153.12 : 3,228.10 = 1,058.25 : x
  2. Step 2: Convert to fraction form
    2,153.12/3,228.10 = 1,058.25/x
  3. Step 3: Cross multiply
    2,153.12x = 3,228.10 × 1,058.25
  4. Step 4: Simplify right side
    2,153.12x = 3,416,134.08
  5. Step 5: Solve for x
    x = 3,416,134.08/2,153.12
  6. Step 6: Final answer
    x = 1,586.60

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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.