Home / 3,240.47-4,465.60-2,354.87

Finding the Fourth Proportional to 3,240.47, 4,465.60 and 2,354.87

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Solution

The fourth proportional to 3,240.47, 4,465.60 and 2,354.87 is: 3,245.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.47 : 4,465.60 = 2,354.87 : x
  2. Step 2: Convert to fraction form
    3,240.47/4,465.60 = 2,354.87/x
  3. Step 3: Cross multiply
    3,240.47x = 4,465.60 × 2,354.87
  4. Step 4: Simplify right side
    3,240.47x = 10,515,873.37
  5. Step 5: Solve for x
    x = 10,515,873.37/3,240.47
  6. Step 6: Final answer
    x = 3,245.17

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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.