Home / 3,140.81-4,713.03-1,409.44

Finding the Fourth Proportional to 3,140.81, 4,713.03 and 1,409.44

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Solution

The fourth proportional to 3,140.81, 4,713.03 and 1,409.44 is: 2,114.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.81 : 4,713.03 = 1,409.44 : x
  2. Step 2: Convert to fraction form
    3,140.81/4,713.03 = 1,409.44/x
  3. Step 3: Cross multiply
    3,140.81x = 4,713.03 × 1,409.44
  4. Step 4: Simplify right side
    3,140.81x = 6,642,733.00
  5. Step 5: Solve for x
    x = 6,642,733.00/3,140.81
  6. Step 6: Final answer
    x = 2,114.97

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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.