Home / 2,361.68-3,259.20-1,577.28

Finding the Fourth Proportional to 2,361.68, 3,259.20 and 1,577.28

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Solution

The fourth proportional to 2,361.68, 3,259.20 and 1,577.28 is: 2,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361.68 : 3,259.20 = 1,577.28 : x
  2. Step 2: Convert to fraction form
    2,361.68/3,259.20 = 1,577.28/x
  3. Step 3: Cross multiply
    2,361.68x = 3,259.20 × 1,577.28
  4. Step 4: Simplify right side
    2,361.68x = 5,140,670.98
  5. Step 5: Solve for x
    x = 5,140,670.98/2,361.68
  6. Step 6: Final answer
    x = 2,176.70

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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.