Home / 3,361.07-4,638.64-1,925.56

Finding the Fourth Proportional to 3,361.07, 4,638.64 and 1,925.56

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Solution

The fourth proportional to 3,361.07, 4,638.64 and 1,925.56 is: 2,657.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.07 : 4,638.64 = 1,925.56 : x
  2. Step 2: Convert to fraction form
    3,361.07/4,638.64 = 1,925.56/x
  3. Step 3: Cross multiply
    3,361.07x = 4,638.64 × 1,925.56
  4. Step 4: Simplify right side
    3,361.07x = 8,931,979.64
  5. Step 5: Solve for x
    x = 8,931,979.64/3,361.07
  6. Step 6: Final answer
    x = 2,657.48

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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.