Home / 2,153.24-3,212.03-2,125.08

Finding the Fourth Proportional to 2,153.24, 3,212.03 and 2,125.08

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Solution

The fourth proportional to 2,153.24, 3,212.03 and 2,125.08 is: 3,170.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153.24 : 3,212.03 = 2,125.08 : x
  2. Step 2: Convert to fraction form
    2,153.24/3,212.03 = 2,125.08/x
  3. Step 3: Cross multiply
    2,153.24x = 3,212.03 × 2,125.08
  4. Step 4: Simplify right side
    2,153.24x = 6,825,820.71
  5. Step 5: Solve for x
    x = 6,825,820.71/2,153.24
  6. Step 6: Final answer
    x = 3,170.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.