Home / 2,476.31-3,417.41-1,428.38

Finding the Fourth Proportional to 2,476.31, 3,417.41 and 1,428.38

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Solution

The fourth proportional to 2,476.31, 3,417.41 and 1,428.38 is: 1,971.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.31 : 3,417.41 = 1,428.38 : x
  2. Step 2: Convert to fraction form
    2,476.31/3,417.41 = 1,428.38/x
  3. Step 3: Cross multiply
    2,476.31x = 3,417.41 × 1,428.38
  4. Step 4: Simplify right side
    2,476.31x = 4,881,346.58
  5. Step 5: Solve for x
    x = 4,881,346.58/2,476.31
  6. Step 6: Final answer
    x = 1,971.22

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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.