Home / 1,740.28-2,610.08-816.28

Finding the Fourth Proportional to 1,740.28, 2,610.08 and 816.28

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Solution

The fourth proportional to 1,740.28, 2,610.08 and 816.28 is: 1,224.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.28 : 2,610.08 = 816.28 : x
  2. Step 2: Convert to fraction form
    1,740.28/2,610.08 = 816.28/x
  3. Step 3: Cross multiply
    1,740.28x = 2,610.08 × 816.28
  4. Step 4: Simplify right side
    1,740.28x = 2,130,556.10
  5. Step 5: Solve for x
    x = 2,130,556.10/1,740.28
  6. Step 6: Final answer
    x = 1,224.26

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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.