Home / 2,938.08-4,054.53-1,611.84

Finding the Fourth Proportional to 2,938.08, 4,054.53 and 1,611.84

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Solution

The fourth proportional to 2,938.08, 4,054.53 and 1,611.84 is: 2,224.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.08 : 4,054.53 = 1,611.84 : x
  2. Step 2: Convert to fraction form
    2,938.08/4,054.53 = 1,611.84/x
  3. Step 3: Cross multiply
    2,938.08x = 4,054.53 × 1,611.84
  4. Step 4: Simplify right side
    2,938.08x = 6,535,253.64
  5. Step 5: Solve for x
    x = 6,535,253.64/2,938.08
  6. Step 6: Final answer
    x = 2,224.33

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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.