Home / 2,837.07-4,255.61-1,690.11

Finding the Fourth Proportional to 2,837.07, 4,255.61 and 1,690.11

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Solution

The fourth proportional to 2,837.07, 4,255.61 and 1,690.11 is: 2,535.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.07 : 4,255.61 = 1,690.11 : x
  2. Step 2: Convert to fraction form
    2,837.07/4,255.61 = 1,690.11/x
  3. Step 3: Cross multiply
    2,837.07x = 4,255.61 × 1,690.11
  4. Step 4: Simplify right side
    2,837.07x = 7,192,440.57
  5. Step 5: Solve for x
    x = 7,192,440.57/2,837.07
  6. Step 6: Final answer
    x = 2,535.17

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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.