Home / 3,935.02-5,899.64-1,853.85

Finding the Fourth Proportional to 3,935.02, 5,899.64 and 1,853.85

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Solution

The fourth proportional to 3,935.02, 5,899.64 and 1,853.85 is: 2,779.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.02 : 5,899.64 = 1,853.85 : x
  2. Step 2: Convert to fraction form
    3,935.02/5,899.64 = 1,853.85/x
  3. Step 3: Cross multiply
    3,935.02x = 5,899.64 × 1,853.85
  4. Step 4: Simplify right side
    3,935.02x = 10,937,052.67
  5. Step 5: Solve for x
    x = 10,937,052.67/3,935.02
  6. Step 6: Final answer
    x = 2,779.42

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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.