Home / 2,938.68-4,054.95-1,759.50

Finding the Fourth Proportional to 2,938.68, 4,054.95 and 1,759.50

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Solution

The fourth proportional to 2,938.68, 4,054.95 and 1,759.50 is: 2,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.68 : 4,054.95 = 1,759.50 : x
  2. Step 2: Convert to fraction form
    2,938.68/4,054.95 = 1,759.50/x
  3. Step 3: Cross multiply
    2,938.68x = 4,054.95 × 1,759.50
  4. Step 4: Simplify right side
    2,938.68x = 7,134,684.53
  5. Step 5: Solve for x
    x = 7,134,684.53/2,938.68
  6. Step 6: Final answer
    x = 2,427.85

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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.