Home / 2,134.68-2,942.49-1,573.35

Finding the Fourth Proportional to 2,134.68, 2,942.49 and 1,573.35

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Solution

The fourth proportional to 2,134.68, 2,942.49 and 1,573.35 is: 2,168.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.68 : 2,942.49 = 1,573.35 : x
  2. Step 2: Convert to fraction form
    2,134.68/2,942.49 = 1,573.35/x
  3. Step 3: Cross multiply
    2,134.68x = 2,942.49 × 1,573.35
  4. Step 4: Simplify right side
    2,134.68x = 4,629,566.64
  5. Step 5: Solve for x
    x = 4,629,566.64/2,134.68
  6. Step 6: Final answer
    x = 2,168.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.