Home / 1,855.42-2,560.97-1,156.38

Finding the Fourth Proportional to 1,855.42, 2,560.97 and 1,156.38

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Solution

The fourth proportional to 1,855.42, 2,560.97 and 1,156.38 is: 1,596.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855.42 : 2,560.97 = 1,156.38 : x
  2. Step 2: Convert to fraction form
    1,855.42/2,560.97 = 1,156.38/x
  3. Step 3: Cross multiply
    1,855.42x = 2,560.97 × 1,156.38
  4. Step 4: Simplify right side
    1,855.42x = 2,961,454.49
  5. Step 5: Solve for x
    x = 2,961,454.49/1,855.42
  6. Step 6: Final answer
    x = 1,596.11

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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.