Home / 2,690.35-4,034.76-1,046.51

Finding the Fourth Proportional to 2,690.35, 4,034.76 and 1,046.51

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Solution

The fourth proportional to 2,690.35, 4,034.76 and 1,046.51 is: 1,569.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.35 : 4,034.76 = 1,046.51 : x
  2. Step 2: Convert to fraction form
    2,690.35/4,034.76 = 1,046.51/x
  3. Step 3: Cross multiply
    2,690.35x = 4,034.76 × 1,046.51
  4. Step 4: Simplify right side
    2,690.35x = 4,222,430.15
  5. Step 5: Solve for x
    x = 4,222,430.15/2,690.35
  6. Step 6: Final answer
    x = 1,569.47

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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.