Home / 2,338.39-3,492.42-2,118.58

Finding the Fourth Proportional to 2,338.39, 3,492.42 and 2,118.58

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Solution

The fourth proportional to 2,338.39, 3,492.42 and 2,118.58 is: 3,164.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338.39 : 3,492.42 = 2,118.58 : x
  2. Step 2: Convert to fraction form
    2,338.39/3,492.42 = 2,118.58/x
  3. Step 3: Cross multiply
    2,338.39x = 3,492.42 × 2,118.58
  4. Step 4: Simplify right side
    2,338.39x = 7,398,971.16
  5. Step 5: Solve for x
    x = 7,398,971.16/2,338.39
  6. Step 6: Final answer
    x = 3,164.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.