Home / 2,343.74-3,515.04-1,111.70

Finding the Fourth Proportional to 2,343.74, 3,515.04 and 1,111.70

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Solution

The fourth proportional to 2,343.74, 3,515.04 and 1,111.70 is: 1,667.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,343.74 : 3,515.04 = 1,111.70 : x
  2. Step 2: Convert to fraction form
    2,343.74/3,515.04 = 1,111.70/x
  3. Step 3: Cross multiply
    2,343.74x = 3,515.04 × 1,111.70
  4. Step 4: Simplify right side
    2,343.74x = 3,907,669.97
  5. Step 5: Solve for x
    x = 3,907,669.97/2,343.74
  6. Step 6: Final answer
    x = 1,667.28

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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.