Home / 2,302.30-3,449.40-1,889.20

Finding the Fourth Proportional to 2,302.30, 3,449.40 and 1,889.20

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Solution

The fourth proportional to 2,302.30, 3,449.40 and 1,889.20 is: 2,830.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.30 : 3,449.40 = 1,889.20 : x
  2. Step 2: Convert to fraction form
    2,302.30/3,449.40 = 1,889.20/x
  3. Step 3: Cross multiply
    2,302.30x = 3,449.40 × 1,889.20
  4. Step 4: Simplify right side
    2,302.30x = 6,516,606.48
  5. Step 5: Solve for x
    x = 6,516,606.48/2,302.30
  6. Step 6: Final answer
    x = 2,830.48

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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.