Home / 1,350.48-2,029.56-802.80

Finding the Fourth Proportional to 1,350.48, 2,029.56 and 802.80

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Solution

The fourth proportional to 1,350.48, 2,029.56 and 802.80 is: 1,206.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.48 : 2,029.56 = 802.80 : x
  2. Step 2: Convert to fraction form
    1,350.48/2,029.56 = 802.80/x
  3. Step 3: Cross multiply
    1,350.48x = 2,029.56 × 802.80
  4. Step 4: Simplify right side
    1,350.48x = 1,629,330.77
  5. Step 5: Solve for x
    x = 1,629,330.77/1,350.48
  6. Step 6: Final answer
    x = 1,206.48

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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.