Home / 2,351.10-3,244.50-1,407.30

Finding the Fourth Proportional to 2,351.10, 3,244.50 and 1,407.30

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Solution

The fourth proportional to 2,351.10, 3,244.50 and 1,407.30 is: 1,942.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.10 : 3,244.50 = 1,407.30 : x
  2. Step 2: Convert to fraction form
    2,351.10/3,244.50 = 1,407.30/x
  3. Step 3: Cross multiply
    2,351.10x = 3,244.50 × 1,407.30
  4. Step 4: Simplify right side
    2,351.10x = 4,565,984.85
  5. Step 5: Solve for x
    x = 4,565,984.85/2,351.10
  6. Step 6: Final answer
    x = 1,942.06

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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.