Home / 2,415.15-3,603.49-2,064.62

Finding the Fourth Proportional to 2,415.15, 3,603.49 and 2,064.62

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Solution

The fourth proportional to 2,415.15, 3,603.49 and 2,064.62 is: 3,080.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.15 : 3,603.49 = 2,064.62 : x
  2. Step 2: Convert to fraction form
    2,415.15/3,603.49 = 2,064.62/x
  3. Step 3: Cross multiply
    2,415.15x = 3,603.49 × 2,064.62
  4. Step 4: Simplify right side
    2,415.15x = 7,439,841.37
  5. Step 5: Solve for x
    x = 7,439,841.37/2,415.15
  6. Step 6: Final answer
    x = 3,080.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.