Home / 1,707.22-2,558.61-1,486.90

Finding the Fourth Proportional to 1,707.22, 2,558.61 and 1,486.90

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Solution

The fourth proportional to 1,707.22, 2,558.61 and 1,486.90 is: 2,228.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.22 : 2,558.61 = 1,486.90 : x
  2. Step 2: Convert to fraction form
    1,707.22/2,558.61 = 1,486.90/x
  3. Step 3: Cross multiply
    1,707.22x = 2,558.61 × 1,486.90
  4. Step 4: Simplify right side
    1,707.22x = 3,804,397.21
  5. Step 5: Solve for x
    x = 3,804,397.21/1,707.22
  6. Step 6: Final answer
    x = 2,228.42

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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.