Home / 1,550.43-2,140.16-1,026.63

Finding the Fourth Proportional to 1,550.43, 2,140.16 and 1,026.63

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Solution

The fourth proportional to 1,550.43, 2,140.16 and 1,026.63 is: 1,417.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550.43 : 2,140.16 = 1,026.63 : x
  2. Step 2: Convert to fraction form
    1,550.43/2,140.16 = 1,026.63/x
  3. Step 3: Cross multiply
    1,550.43x = 2,140.16 × 1,026.63
  4. Step 4: Simplify right side
    1,550.43x = 2,197,147.33
  5. Step 5: Solve for x
    x = 2,197,147.33/1,550.43
  6. Step 6: Final answer
    x = 1,417.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.