Home / 2,440.09-3,368.22-1,445.71

Finding the Fourth Proportional to 2,440.09, 3,368.22 and 1,445.71

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Solution

The fourth proportional to 2,440.09, 3,368.22 and 1,445.71 is: 1,995.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.09 : 3,368.22 = 1,445.71 : x
  2. Step 2: Convert to fraction form
    2,440.09/3,368.22 = 1,445.71/x
  3. Step 3: Cross multiply
    2,440.09x = 3,368.22 × 1,445.71
  4. Step 4: Simplify right side
    2,440.09x = 4,869,469.34
  5. Step 5: Solve for x
    x = 4,869,469.34/2,440.09
  6. Step 6: Final answer
    x = 1,995.61

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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.