Home / 2,690.10-4,035.22-1,303.18

Finding the Fourth Proportional to 2,690.10, 4,035.22 and 1,303.18

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Solution

The fourth proportional to 2,690.10, 4,035.22 and 1,303.18 is: 1,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.10 : 4,035.22 = 1,303.18 : x
  2. Step 2: Convert to fraction form
    2,690.10/4,035.22 = 1,303.18/x
  3. Step 3: Cross multiply
    2,690.10x = 4,035.22 × 1,303.18
  4. Step 4: Simplify right side
    2,690.10x = 5,258,604.65
  5. Step 5: Solve for x
    x = 5,258,604.65/2,690.10
  6. Step 6: Final answer
    x = 1,954.80

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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.