Home / 2,097.71-2,894.61-1,213.35

Finding the Fourth Proportional to 2,097.71, 2,894.61 and 1,213.35

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Solution

The fourth proportional to 2,097.71, 2,894.61 and 1,213.35 is: 1,674.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097.71 : 2,894.61 = 1,213.35 : x
  2. Step 2: Convert to fraction form
    2,097.71/2,894.61 = 1,213.35/x
  3. Step 3: Cross multiply
    2,097.71x = 2,894.61 × 1,213.35
  4. Step 4: Simplify right side
    2,097.71x = 3,512,168.74
  5. Step 5: Solve for x
    x = 3,512,168.74/2,097.71
  6. Step 6: Final answer
    x = 1,674.29

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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.