Home / 1,033.80-1,550.40-340.56

Finding the Fourth Proportional to 1,033.80, 1,550.40 and 340.56

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Solution

The fourth proportional to 1,033.80, 1,550.40 and 340.56 is: 510.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.80 : 1,550.40 = 340.56 : x
  2. Step 2: Convert to fraction form
    1,033.80/1,550.40 = 340.56/x
  3. Step 3: Cross multiply
    1,033.80x = 1,550.40 × 340.56
  4. Step 4: Simplify right side
    1,033.80x = 528,004.22
  5. Step 5: Solve for x
    x = 528,004.22/1,033.80
  6. Step 6: Final answer
    x = 510.74

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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.