Home / 1,553.10-2,146.68-1,365.18

Finding the Fourth Proportional to 1,553.10, 2,146.68 and 1,365.18

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Solution

The fourth proportional to 1,553.10, 2,146.68 and 1,365.18 is: 1,886.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553.10 : 2,146.68 = 1,365.18 : x
  2. Step 2: Convert to fraction form
    1,553.10/2,146.68 = 1,365.18/x
  3. Step 3: Cross multiply
    1,553.10x = 2,146.68 × 1,365.18
  4. Step 4: Simplify right side
    1,553.10x = 2,930,604.60
  5. Step 5: Solve for x
    x = 2,930,604.60/1,553.10
  6. Step 6: Final answer
    x = 1,886.94

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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.