Home / 2,070.52-2,856.14-1,284.04

Finding the Fourth Proportional to 2,070.52, 2,856.14 and 1,284.04

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Solution

The fourth proportional to 2,070.52, 2,856.14 and 1,284.04 is: 1,771.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.52 : 2,856.14 = 1,284.04 : x
  2. Step 2: Convert to fraction form
    2,070.52/2,856.14 = 1,284.04/x
  3. Step 3: Cross multiply
    2,070.52x = 2,856.14 × 1,284.04
  4. Step 4: Simplify right side
    2,070.52x = 3,667,398.01
  5. Step 5: Solve for x
    x = 3,667,398.01/2,070.52
  6. Step 6: Final answer
    x = 1,771.24

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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.