Home / 3,440.15-4,748.60-2,113.97

Finding the Fourth Proportional to 3,440.15, 4,748.60 and 2,113.97

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Solution

The fourth proportional to 3,440.15, 4,748.60 and 2,113.97 is: 2,918.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.15 : 4,748.60 = 2,113.97 : x
  2. Step 2: Convert to fraction form
    3,440.15/4,748.60 = 2,113.97/x
  3. Step 3: Cross multiply
    3,440.15x = 4,748.60 × 2,113.97
  4. Step 4: Simplify right side
    3,440.15x = 10,038,397.94
  5. Step 5: Solve for x
    x = 10,038,397.94/3,440.15
  6. Step 6: Final answer
    x = 2,918.01

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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.