Home / 1,539.19-2,309.19-1,133.18

Finding the Fourth Proportional to 1,539.19, 2,309.19 and 1,133.18

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Solution

The fourth proportional to 1,539.19, 2,309.19 and 1,133.18 is: 1,700.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539.19 : 2,309.19 = 1,133.18 : x
  2. Step 2: Convert to fraction form
    1,539.19/2,309.19 = 1,133.18/x
  3. Step 3: Cross multiply
    1,539.19x = 2,309.19 × 1,133.18
  4. Step 4: Simplify right side
    1,539.19x = 2,616,727.92
  5. Step 5: Solve for x
    x = 2,616,727.92/1,539.19
  6. Step 6: Final answer
    x = 1,700.07

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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.