Home / 2,602.08-3,581.28-2,485.44

Finding the Fourth Proportional to 2,602.08, 3,581.28 and 2,485.44

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Solution

The fourth proportional to 2,602.08, 3,581.28 and 2,485.44 is: 3,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602.08 : 3,581.28 = 2,485.44 : x
  2. Step 2: Convert to fraction form
    2,602.08/3,581.28 = 2,485.44/x
  3. Step 3: Cross multiply
    2,602.08x = 3,581.28 × 2,485.44
  4. Step 4: Simplify right side
    2,602.08x = 8,901,056.56
  5. Step 5: Solve for x
    x = 8,901,056.56/2,602.08
  6. Step 6: Final answer
    x = 3,420.75

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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.