Home / 2,720.60-3,754.95-1,602.50

Finding the Fourth Proportional to 2,720.60, 3,754.95 and 1,602.50

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Solution

The fourth proportional to 2,720.60, 3,754.95 and 1,602.50 is: 2,211.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.60 : 3,754.95 = 1,602.50 : x
  2. Step 2: Convert to fraction form
    2,720.60/3,754.95 = 1,602.50/x
  3. Step 3: Cross multiply
    2,720.60x = 3,754.95 × 1,602.50
  4. Step 4: Simplify right side
    2,720.60x = 6,017,288.60
  5. Step 5: Solve for x
    x = 6,017,288.60/2,720.60
  6. Step 6: Final answer
    x = 2,211.75

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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.