Home / 3,598.44-5,395.49-1,408.20

Finding the Fourth Proportional to 3,598.44, 5,395.49 and 1,408.20

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Solution

The fourth proportional to 3,598.44, 5,395.49 and 1,408.20 is: 2,111.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598.44 : 5,395.49 = 1,408.20 : x
  2. Step 2: Convert to fraction form
    3,598.44/5,395.49 = 1,408.20/x
  3. Step 3: Cross multiply
    3,598.44x = 5,395.49 × 1,408.20
  4. Step 4: Simplify right side
    3,598.44x = 7,597,929.02
  5. Step 5: Solve for x
    x = 7,597,929.02/3,598.44
  6. Step 6: Final answer
    x = 2,111.45

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1.5x scale

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.