Home / 1,845.59-2,757.58-1,781.01

Finding the Fourth Proportional to 1,845.59, 2,757.58 and 1,781.01

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Solution

The fourth proportional to 1,845.59, 2,757.58 and 1,781.01 is: 2,661.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.59 : 2,757.58 = 1,781.01 : x
  2. Step 2: Convert to fraction form
    1,845.59/2,757.58 = 1,781.01/x
  3. Step 3: Cross multiply
    1,845.59x = 2,757.58 × 1,781.01
  4. Step 4: Simplify right side
    1,845.59x = 4,911,273.10
  5. Step 5: Solve for x
    x = 4,911,273.10/1,845.59
  6. Step 6: Final answer
    x = 2,661.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.