Home / 2,428.35-3,351.14-1,366.08

Finding the Fourth Proportional to 2,428.35, 3,351.14 and 1,366.08

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Solution

The fourth proportional to 2,428.35, 3,351.14 and 1,366.08 is: 1,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.35 : 3,351.14 = 1,366.08 : x
  2. Step 2: Convert to fraction form
    2,428.35/3,351.14 = 1,366.08/x
  3. Step 3: Cross multiply
    2,428.35x = 3,351.14 × 1,366.08
  4. Step 4: Simplify right side
    2,428.35x = 4,577,918.50
  5. Step 5: Solve for x
    x = 4,577,918.50/2,428.35
  6. Step 6: Final answer
    x = 1,885.20

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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.