Home / 3,421.28-4,720.30-2,094.68

Finding the Fourth Proportional to 3,421.28, 4,720.30 and 2,094.68

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Solution

The fourth proportional to 3,421.28, 4,720.30 and 2,094.68 is: 2,890.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.28 : 4,720.30 = 2,094.68 : x
  2. Step 2: Convert to fraction form
    3,421.28/4,720.30 = 2,094.68/x
  3. Step 3: Cross multiply
    3,421.28x = 4,720.30 × 2,094.68
  4. Step 4: Simplify right side
    3,421.28x = 9,887,518.00
  5. Step 5: Solve for x
    x = 9,887,518.00/3,421.28
  6. Step 6: Final answer
    x = 2,890.01

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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.