Home / 2,148.53-3,220.93-2,086.56

Finding the Fourth Proportional to 2,148.53, 3,220.93 and 2,086.56

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Solution

The fourth proportional to 2,148.53, 3,220.93 and 2,086.56 is: 3,128.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.53 : 3,220.93 = 2,086.56 : x
  2. Step 2: Convert to fraction form
    2,148.53/3,220.93 = 2,086.56/x
  3. Step 3: Cross multiply
    2,148.53x = 3,220.93 × 2,086.56
  4. Step 4: Simplify right side
    2,148.53x = 6,720,666.31
  5. Step 5: Solve for x
    x = 6,720,666.31/2,148.53
  6. Step 6: Final answer
    x = 3,128.04

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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.