Home / 3,521.02-5,279.14-1,440.41

Finding the Fourth Proportional to 3,521.02, 5,279.14 and 1,440.41

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Solution

The fourth proportional to 3,521.02, 5,279.14 and 1,440.41 is: 2,159.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.02 : 5,279.14 = 1,440.41 : x
  2. Step 2: Convert to fraction form
    3,521.02/5,279.14 = 1,440.41/x
  3. Step 3: Cross multiply
    3,521.02x = 5,279.14 × 1,440.41
  4. Step 4: Simplify right side
    3,521.02x = 7,604,126.05
  5. Step 5: Solve for x
    x = 7,604,126.05/3,521.02
  6. Step 6: Final answer
    x = 2,159.64

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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.