Home / 2,128.08-2,937.14-1,592.42

Finding the Fourth Proportional to 2,128.08, 2,937.14 and 1,592.42

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Solution

The fourth proportional to 2,128.08, 2,937.14 and 1,592.42 is: 2,197.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128.08 : 2,937.14 = 1,592.42 : x
  2. Step 2: Convert to fraction form
    2,128.08/2,937.14 = 1,592.42/x
  3. Step 3: Cross multiply
    2,128.08x = 2,937.14 × 1,592.42
  4. Step 4: Simplify right side
    2,128.08x = 4,677,137.83
  5. Step 5: Solve for x
    x = 4,677,137.83/2,128.08
  6. Step 6: Final answer
    x = 2,197.82

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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.