Home / 3,953.50-5,931.08-1,356.64

Finding the Fourth Proportional to 3,953.50, 5,931.08 and 1,356.64

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Solution

The fourth proportional to 3,953.50, 5,931.08 and 1,356.64 is: 2,035.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.50 : 5,931.08 = 1,356.64 : x
  2. Step 2: Convert to fraction form
    3,953.50/5,931.08 = 1,356.64/x
  3. Step 3: Cross multiply
    3,953.50x = 5,931.08 × 1,356.64
  4. Step 4: Simplify right side
    3,953.50x = 8,046,340.37
  5. Step 5: Solve for x
    x = 8,046,340.37/3,953.50
  6. Step 6: Final answer
    x = 2,035.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.