Home / 1,690.07-2,536.31-1,041.26

Finding the Fourth Proportional to 1,690.07, 2,536.31 and 1,041.26

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Solution

The fourth proportional to 1,690.07, 2,536.31 and 1,041.26 is: 1,562.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690.07 : 2,536.31 = 1,041.26 : x
  2. Step 2: Convert to fraction form
    1,690.07/2,536.31 = 1,041.26/x
  3. Step 3: Cross multiply
    1,690.07x = 2,536.31 × 1,041.26
  4. Step 4: Simplify right side
    1,690.07x = 2,640,948.07
  5. Step 5: Solve for x
    x = 2,640,948.07/1,690.07
  6. Step 6: Final answer
    x = 1,562.63

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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.