Home / 2,193.16-3,026.73-1,309.10

Finding the Fourth Proportional to 2,193.16, 3,026.73 and 1,309.10

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Solution

The fourth proportional to 2,193.16, 3,026.73 and 1,309.10 is: 1,806.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.16 : 3,026.73 = 1,309.10 : x
  2. Step 2: Convert to fraction form
    2,193.16/3,026.73 = 1,309.10/x
  3. Step 3: Cross multiply
    2,193.16x = 3,026.73 × 1,309.10
  4. Step 4: Simplify right side
    2,193.16x = 3,962,292.24
  5. Step 5: Solve for x
    x = 3,962,292.24/2,193.16
  6. Step 6: Final answer
    x = 1,806.66

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1.5x scale

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.