Home / 2,938.07-4,055.06-1,759.32

Finding the Fourth Proportional to 2,938.07, 4,055.06 and 1,759.32

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Solution

The fourth proportional to 2,938.07, 4,055.06 and 1,759.32 is: 2,428.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.07 : 4,055.06 = 1,759.32 : x
  2. Step 2: Convert to fraction form
    2,938.07/4,055.06 = 1,759.32/x
  3. Step 3: Cross multiply
    2,938.07x = 4,055.06 × 1,759.32
  4. Step 4: Simplify right side
    2,938.07x = 7,134,152.56
  5. Step 5: Solve for x
    x = 7,134,152.56/2,938.07
  6. Step 6: Final answer
    x = 2,428.17

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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.