Home / 2,477.52-3,418.79-1,817.15

Finding the Fourth Proportional to 2,477.52, 3,418.79 and 1,817.15

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Solution

The fourth proportional to 2,477.52, 3,418.79 and 1,817.15 is: 2,507.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.52 : 3,418.79 = 1,817.15 : x
  2. Step 2: Convert to fraction form
    2,477.52/3,418.79 = 1,817.15/x
  3. Step 3: Cross multiply
    2,477.52x = 3,418.79 × 1,817.15
  4. Step 4: Simplify right side
    2,477.52x = 6,212,428.07
  5. Step 5: Solve for x
    x = 6,212,428.07/2,477.52
  6. Step 6: Final answer
    x = 2,507.52

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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.