Home / 2,485.02-3,722.58-2,280.90

Finding the Fourth Proportional to 2,485.02, 3,722.58 and 2,280.90

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Solution

The fourth proportional to 2,485.02, 3,722.58 and 2,280.90 is: 3,416.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.02 : 3,722.58 = 2,280.90 : x
  2. Step 2: Convert to fraction form
    2,485.02/3,722.58 = 2,280.90/x
  3. Step 3: Cross multiply
    2,485.02x = 3,722.58 × 2,280.90
  4. Step 4: Simplify right side
    2,485.02x = 8,490,832.72
  5. Step 5: Solve for x
    x = 8,490,832.72/2,485.02
  6. Step 6: Final answer
    x = 3,416.81

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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.