Home / 2,337.03-3,225.20-1,289.07

Finding the Fourth Proportional to 2,337.03, 3,225.20 and 1,289.07

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Solution

The fourth proportional to 2,337.03, 3,225.20 and 1,289.07 is: 1,778.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,337.03 : 3,225.20 = 1,289.07 : x
  2. Step 2: Convert to fraction form
    2,337.03/3,225.20 = 1,289.07/x
  3. Step 3: Cross multiply
    2,337.03x = 3,225.20 × 1,289.07
  4. Step 4: Simplify right side
    2,337.03x = 4,157,502.12
  5. Step 5: Solve for x
    x = 4,157,502.12/2,337.03
  6. Step 6: Final answer
    x = 1,778.97

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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.