Home / 2,440.51-3,368.15-1,392.73

Finding the Fourth Proportional to 2,440.51, 3,368.15 and 1,392.73

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Solution

The fourth proportional to 2,440.51, 3,368.15 and 1,392.73 is: 1,922.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.51 : 3,368.15 = 1,392.73 : x
  2. Step 2: Convert to fraction form
    2,440.51/3,368.15 = 1,392.73/x
  3. Step 3: Cross multiply
    2,440.51x = 3,368.15 × 1,392.73
  4. Step 4: Simplify right side
    2,440.51x = 4,690,916.59
  5. Step 5: Solve for x
    x = 4,690,916.59/2,440.51
  6. Step 6: Final answer
    x = 1,922.11

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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.