Home / 3,770.40-5,201.64-2,353.08

Finding the Fourth Proportional to 3,770.40, 5,201.64 and 2,353.08

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Solution

The fourth proportional to 3,770.40, 5,201.64 and 2,353.08 is: 3,246.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.40 : 5,201.64 = 2,353.08 : x
  2. Step 2: Convert to fraction form
    3,770.40/5,201.64 = 2,353.08/x
  3. Step 3: Cross multiply
    3,770.40x = 5,201.64 × 2,353.08
  4. Step 4: Simplify right side
    3,770.40x = 12,239,875.05
  5. Step 5: Solve for x
    x = 12,239,875.05/3,770.40
  6. Step 6: Final answer
    x = 3,246.31

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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.