Home / 3,911.60-5,867.40-2,356.40

Finding the Fourth Proportional to 3,911.60, 5,867.40 and 2,356.40

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Solution

The fourth proportional to 3,911.60, 5,867.40 and 2,356.40 is: 3,534.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.60 : 5,867.40 = 2,356.40 : x
  2. Step 2: Convert to fraction form
    3,911.60/5,867.40 = 2,356.40/x
  3. Step 3: Cross multiply
    3,911.60x = 5,867.40 × 2,356.40
  4. Step 4: Simplify right side
    3,911.60x = 13,825,941.36
  5. Step 5: Solve for x
    x = 13,825,941.36/3,911.60
  6. Step 6: Final answer
    x = 3,534.60

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1.5x scale

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.