Home / 3,001.59-4,140.47-1,805.75

Finding the Fourth Proportional to 3,001.59, 4,140.47 and 1,805.75

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Solution

The fourth proportional to 3,001.59, 4,140.47 and 1,805.75 is: 2,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.59 : 4,140.47 = 1,805.75 : x
  2. Step 2: Convert to fraction form
    3,001.59/4,140.47 = 1,805.75/x
  3. Step 3: Cross multiply
    3,001.59x = 4,140.47 × 1,805.75
  4. Step 4: Simplify right side
    3,001.59x = 7,476,653.70
  5. Step 5: Solve for x
    x = 7,476,653.70/3,001.59
  6. Step 6: Final answer
    x = 2,490.90

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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.