Home / 2,325.55-3,208.47-1,330.12

Finding the Fourth Proportional to 2,325.55, 3,208.47 and 1,330.12

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Solution

The fourth proportional to 2,325.55, 3,208.47 and 1,330.12 is: 1,835.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.55 : 3,208.47 = 1,330.12 : x
  2. Step 2: Convert to fraction form
    2,325.55/3,208.47 = 1,330.12/x
  3. Step 3: Cross multiply
    2,325.55x = 3,208.47 × 1,330.12
  4. Step 4: Simplify right side
    2,325.55x = 4,267,650.12
  5. Step 5: Solve for x
    x = 4,267,650.12/2,325.55
  6. Step 6: Final answer
    x = 1,835.11

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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.