Home / 2,539.02-3,782.85-2,415.09

Finding the Fourth Proportional to 2,539.02, 3,782.85 and 2,415.09

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Solution

The fourth proportional to 2,539.02, 3,782.85 and 2,415.09 is: 3,598.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.02 : 3,782.85 = 2,415.09 : x
  2. Step 2: Convert to fraction form
    2,539.02/3,782.85 = 2,415.09/x
  3. Step 3: Cross multiply
    2,539.02x = 3,782.85 × 2,415.09
  4. Step 4: Simplify right side
    2,539.02x = 9,135,923.21
  5. Step 5: Solve for x
    x = 9,135,923.21/2,539.02
  6. Step 6: Final answer
    x = 3,598.21

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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.