Home / 2,184.70-3,014.62-1,240.15

Finding the Fourth Proportional to 2,184.70, 3,014.62 and 1,240.15

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Solution

The fourth proportional to 2,184.70, 3,014.62 and 1,240.15 is: 1,711.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.70 : 3,014.62 = 1,240.15 : x
  2. Step 2: Convert to fraction form
    2,184.70/3,014.62 = 1,240.15/x
  3. Step 3: Cross multiply
    2,184.70x = 3,014.62 × 1,240.15
  4. Step 4: Simplify right side
    2,184.70x = 3,738,580.99
  5. Step 5: Solve for x
    x = 3,738,580.99/2,184.70
  6. Step 6: Final answer
    x = 1,711.26

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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.