Home / 2,690.07-4,034.19-1,023.80

Finding the Fourth Proportional to 2,690.07, 4,034.19 and 1,023.80

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Solution

The fourth proportional to 2,690.07, 4,034.19 and 1,023.80 is: 1,535.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.07 : 4,034.19 = 1,023.80 : x
  2. Step 2: Convert to fraction form
    2,690.07/4,034.19 = 1,023.80/x
  3. Step 3: Cross multiply
    2,690.07x = 4,034.19 × 1,023.80
  4. Step 4: Simplify right side
    2,690.07x = 4,130,203.72
  5. Step 5: Solve for x
    x = 4,130,203.72/2,690.07
  6. Step 6: Final answer
    x = 1,535.35

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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.