Home / 3,504.18-5,256.26-2,405.20

Finding the Fourth Proportional to 3,504.18, 5,256.26 and 2,405.20

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Solution

The fourth proportional to 3,504.18, 5,256.26 and 2,405.20 is: 3,607.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.18 : 5,256.26 = 2,405.20 : x
  2. Step 2: Convert to fraction form
    3,504.18/5,256.26 = 2,405.20/x
  3. Step 3: Cross multiply
    3,504.18x = 5,256.26 × 2,405.20
  4. Step 4: Simplify right side
    3,504.18x = 12,642,356.55
  5. Step 5: Solve for x
    x = 12,642,356.55/3,504.18
  6. Step 6: Final answer
    x = 3,607.79

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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.