Home / 3,756.60-5,178.64-2,634.16

Finding the Fourth Proportional to 3,756.60, 5,178.64 and 2,634.16

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Solution

The fourth proportional to 3,756.60, 5,178.64 and 2,634.16 is: 3,631.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.60 : 5,178.64 = 2,634.16 : x
  2. Step 2: Convert to fraction form
    3,756.60/5,178.64 = 2,634.16/x
  3. Step 3: Cross multiply
    3,756.60x = 5,178.64 × 2,634.16
  4. Step 4: Simplify right side
    3,756.60x = 13,641,366.34
  5. Step 5: Solve for x
    x = 13,641,366.34/3,756.60
  6. Step 6: Final answer
    x = 3,631.31

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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.