Home / 2,325.23-3,207.88-1,330.31

Finding the Fourth Proportional to 2,325.23, 3,207.88 and 1,330.31

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Solution

The fourth proportional to 2,325.23, 3,207.88 and 1,330.31 is: 1,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.23 : 3,207.88 = 1,330.31 : x
  2. Step 2: Convert to fraction form
    2,325.23/3,207.88 = 1,330.31/x
  3. Step 3: Cross multiply
    2,325.23x = 3,207.88 × 1,330.31
  4. Step 4: Simplify right side
    2,325.23x = 4,267,484.69
  5. Step 5: Solve for x
    x = 4,267,484.69/2,325.23
  6. Step 6: Final answer
    x = 1,835.30

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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.