Home / 2,477.94-3,419.66-1,415.89

Finding the Fourth Proportional to 2,477.94, 3,419.66 and 1,415.89

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Solution

The fourth proportional to 2,477.94, 3,419.66 and 1,415.89 is: 1,953.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.94 : 3,419.66 = 1,415.89 : x
  2. Step 2: Convert to fraction form
    2,477.94/3,419.66 = 1,415.89/x
  3. Step 3: Cross multiply
    2,477.94x = 3,419.66 × 1,415.89
  4. Step 4: Simplify right side
    2,477.94x = 4,841,838.22
  5. Step 5: Solve for x
    x = 4,841,838.22/2,477.94
  6. Step 6: Final answer
    x = 1,953.98

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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.