Home / 3,598.21-4,967.81-2,478.79

Finding the Fourth Proportional to 3,598.21, 4,967.81 and 2,478.79

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Solution

The fourth proportional to 3,598.21, 4,967.81 and 2,478.79 is: 3,422.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598.21 : 4,967.81 = 2,478.79 : x
  2. Step 2: Convert to fraction form
    3,598.21/4,967.81 = 2,478.79/x
  3. Step 3: Cross multiply
    3,598.21x = 4,967.81 × 2,478.79
  4. Step 4: Simplify right side
    3,598.21x = 12,314,157.75
  5. Step 5: Solve for x
    x = 12,314,157.75/3,598.21
  6. Step 6: Final answer
    x = 3,422.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.