Home / 2,500.77-3,754.40-1,638.93

Finding the Fourth Proportional to 2,500.77, 3,754.40 and 1,638.93

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Solution

The fourth proportional to 2,500.77, 3,754.40 and 1,638.93 is: 2,460.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500.77 : 3,754.40 = 1,638.93 : x
  2. Step 2: Convert to fraction form
    2,500.77/3,754.40 = 1,638.93/x
  3. Step 3: Cross multiply
    2,500.77x = 3,754.40 × 1,638.93
  4. Step 4: Simplify right side
    2,500.77x = 6,153,190.60
  5. Step 5: Solve for x
    x = 6,153,190.60/2,500.77
  6. Step 6: Final answer
    x = 2,460.52

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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.