Home / 1,740.08-2,610.76-815.94

Finding the Fourth Proportional to 1,740.08, 2,610.76 and 815.94

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Solution

The fourth proportional to 1,740.08, 2,610.76 and 815.94 is: 1,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.08 : 2,610.76 = 815.94 : x
  2. Step 2: Convert to fraction form
    1,740.08/2,610.76 = 815.94/x
  3. Step 3: Cross multiply
    1,740.08x = 2,610.76 × 815.94
  4. Step 4: Simplify right side
    1,740.08x = 2,130,208.42
  5. Step 5: Solve for x
    x = 2,130,208.42/1,740.08
  6. Step 6: Final answer
    x = 1,224.20

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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.