Home / 3,119.65-4,697.93-2,713.69

Finding the Fourth Proportional to 3,119.65, 4,697.93 and 2,713.69

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Solution

The fourth proportional to 3,119.65, 4,697.93 and 2,713.69 is: 4,086.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.65 : 4,697.93 = 2,713.69 : x
  2. Step 2: Convert to fraction form
    3,119.65/4,697.93 = 2,713.69/x
  3. Step 3: Cross multiply
    3,119.65x = 4,697.93 × 2,713.69
  4. Step 4: Simplify right side
    3,119.65x = 12,748,738.32
  5. Step 5: Solve for x
    x = 12,748,738.32/3,119.65
  6. Step 6: Final answer
    x = 4,086.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.