Home / 1,729.02-2,590.10-803.30

Finding the Fourth Proportional to 1,729.02, 2,590.10 and 803.30

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Solution

The fourth proportional to 1,729.02, 2,590.10 and 803.30 is: 1,203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.02 : 2,590.10 = 803.30 : x
  2. Step 2: Convert to fraction form
    1,729.02/2,590.10 = 803.30/x
  3. Step 3: Cross multiply
    1,729.02x = 2,590.10 × 803.30
  4. Step 4: Simplify right side
    1,729.02x = 2,080,627.33
  5. Step 5: Solve for x
    x = 2,080,627.33/1,729.02
  6. Step 6: Final answer
    x = 1,203.36

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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.