Home / 1,560.35-2,146.55-1,348.94

Finding the Fourth Proportional to 1,560.35, 2,146.55 and 1,348.94

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Solution

The fourth proportional to 1,560.35, 2,146.55 and 1,348.94 is: 1,855.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.35 : 2,146.55 = 1,348.94 : x
  2. Step 2: Convert to fraction form
    1,560.35/2,146.55 = 1,348.94/x
  3. Step 3: Cross multiply
    1,560.35x = 2,146.55 × 1,348.94
  4. Step 4: Simplify right side
    1,560.35x = 2,895,549.68
  5. Step 5: Solve for x
    x = 2,895,549.68/1,560.35
  6. Step 6: Final answer
    x = 1,855.71

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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.