Home / 3,560.78-5,344.46-1,807.02

Finding the Fourth Proportional to 3,560.78, 5,344.46 and 1,807.02

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Solution

The fourth proportional to 3,560.78, 5,344.46 and 1,807.02 is: 2,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.78 : 5,344.46 = 1,807.02 : x
  2. Step 2: Convert to fraction form
    3,560.78/5,344.46 = 1,807.02/x
  3. Step 3: Cross multiply
    3,560.78x = 5,344.46 × 1,807.02
  4. Step 4: Simplify right side
    3,560.78x = 9,657,537.07
  5. Step 5: Solve for x
    x = 9,657,537.07/3,560.78
  6. Step 6: Final answer
    x = 2,712.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.