Home / 3,086.60-4,259.64-1,907.24

Finding the Fourth Proportional to 3,086.60, 4,259.64 and 1,907.24

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Solution

The fourth proportional to 3,086.60, 4,259.64 and 1,907.24 is: 2,632.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.60 : 4,259.64 = 1,907.24 : x
  2. Step 2: Convert to fraction form
    3,086.60/4,259.64 = 1,907.24/x
  3. Step 3: Cross multiply
    3,086.60x = 4,259.64 × 1,907.24
  4. Step 4: Simplify right side
    3,086.60x = 8,124,155.79
  5. Step 5: Solve for x
    x = 8,124,155.79/3,086.60
  6. Step 6: Final answer
    x = 2,632.07

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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.