Home / 2,476.95-3,417.64-1,680.41

Finding the Fourth Proportional to 2,476.95, 3,417.64 and 1,680.41

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Solution

The fourth proportional to 2,476.95, 3,417.64 and 1,680.41 is: 2,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.95 : 3,417.64 = 1,680.41 : x
  2. Step 2: Convert to fraction form
    2,476.95/3,417.64 = 1,680.41/x
  3. Step 3: Cross multiply
    2,476.95x = 3,417.64 × 1,680.41
  4. Step 4: Simplify right side
    2,476.95x = 5,743,050.23
  5. Step 5: Solve for x
    x = 5,743,050.23/2,476.95
  6. Step 6: Final answer
    x = 2,318.60

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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.