Home / 1,774.12-2,656.86-1,722.28

Finding the Fourth Proportional to 1,774.12, 2,656.86 and 1,722.28

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Solution

The fourth proportional to 1,774.12, 2,656.86 and 1,722.28 is: 2,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.12 : 2,656.86 = 1,722.28 : x
  2. Step 2: Convert to fraction form
    1,774.12/2,656.86 = 1,722.28/x
  3. Step 3: Cross multiply
    1,774.12x = 2,656.86 × 1,722.28
  4. Step 4: Simplify right side
    1,774.12x = 4,575,856.84
  5. Step 5: Solve for x
    x = 4,575,856.84/1,774.12
  6. Step 6: Final answer
    x = 2,579.23

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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.