Home / 2,245.43-3,099.08-1,406.47

Finding the Fourth Proportional to 2,245.43, 3,099.08 and 1,406.47

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Solution

The fourth proportional to 2,245.43, 3,099.08 and 1,406.47 is: 1,941.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.43 : 3,099.08 = 1,406.47 : x
  2. Step 2: Convert to fraction form
    2,245.43/3,099.08 = 1,406.47/x
  3. Step 3: Cross multiply
    2,245.43x = 3,099.08 × 1,406.47
  4. Step 4: Simplify right side
    2,245.43x = 4,358,758.82
  5. Step 5: Solve for x
    x = 4,358,758.82/2,245.43
  6. Step 6: Final answer
    x = 1,941.17

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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.