Home / 2,476.90-3,418.07-1,357.84

Finding the Fourth Proportional to 2,476.90, 3,418.07 and 1,357.84

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Solution

The fourth proportional to 2,476.90, 3,418.07 and 1,357.84 is: 1,873.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.90 : 3,418.07 = 1,357.84 : x
  2. Step 2: Convert to fraction form
    2,476.90/3,418.07 = 1,357.84/x
  3. Step 3: Cross multiply
    2,476.90x = 3,418.07 × 1,357.84
  4. Step 4: Simplify right side
    2,476.90x = 4,641,192.17
  5. Step 5: Solve for x
    x = 4,641,192.17/2,476.90
  6. Step 6: Final answer
    x = 1,873.79

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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.