Home / 2,690.22-3,712.46-1,495.18

Finding the Fourth Proportional to 2,690.22, 3,712.46 and 1,495.18

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Solution

The fourth proportional to 2,690.22, 3,712.46 and 1,495.18 is: 2,063.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.22 : 3,712.46 = 1,495.18 : x
  2. Step 2: Convert to fraction form
    2,690.22/3,712.46 = 1,495.18/x
  3. Step 3: Cross multiply
    2,690.22x = 3,712.46 × 1,495.18
  4. Step 4: Simplify right side
    2,690.22x = 5,550,795.94
  5. Step 5: Solve for x
    x = 5,550,795.94/2,690.22
  6. Step 6: Final answer
    x = 2,063.32

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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.