Home / 2,098.17-2,894.94-1,399.68

Finding the Fourth Proportional to 2,098.17, 2,894.94 and 1,399.68

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Solution

The fourth proportional to 2,098.17, 2,894.94 and 1,399.68 is: 1,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098.17 : 2,894.94 = 1,399.68 : x
  2. Step 2: Convert to fraction form
    2,098.17/2,894.94 = 1,399.68/x
  3. Step 3: Cross multiply
    2,098.17x = 2,894.94 × 1,399.68
  4. Step 4: Simplify right side
    2,098.17x = 4,051,989.62
  5. Step 5: Solve for x
    x = 4,051,989.62/2,098.17
  6. Step 6: Final answer
    x = 1,931.20

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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.