Home / 1,855.08-2,558.94-1,541.88

Finding the Fourth Proportional to 1,855.08, 2,558.94 and 1,541.88

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Solution

The fourth proportional to 1,855.08, 2,558.94 and 1,541.88 is: 2,126.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855.08 : 2,558.94 = 1,541.88 : x
  2. Step 2: Convert to fraction form
    1,855.08/2,558.94 = 1,541.88/x
  3. Step 3: Cross multiply
    1,855.08x = 2,558.94 × 1,541.88
  4. Step 4: Simplify right side
    1,855.08x = 3,945,578.41
  5. Step 5: Solve for x
    x = 3,945,578.41/1,855.08
  6. Step 6: Final answer
    x = 2,126.90

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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.