Home / 2,508.88-3,764.40-1,690.24

Finding the Fourth Proportional to 2,508.88, 3,764.40 and 1,690.24

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Solution

The fourth proportional to 2,508.88, 3,764.40 and 1,690.24 is: 2,536.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,508.88 : 3,764.40 = 1,690.24 : x
  2. Step 2: Convert to fraction form
    2,508.88/3,764.40 = 1,690.24/x
  3. Step 3: Cross multiply
    2,508.88x = 3,764.40 × 1,690.24
  4. Step 4: Simplify right side
    2,508.88x = 6,362,739.46
  5. Step 5: Solve for x
    x = 6,362,739.46/2,508.88
  6. Step 6: Final answer
    x = 2,536.09

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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.