Home / 3,415.08-4,712.80-1,922.93

Finding the Fourth Proportional to 3,415.08, 4,712.80 and 1,922.93

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Solution

The fourth proportional to 3,415.08, 4,712.80 and 1,922.93 is: 2,653.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.08 : 4,712.80 = 1,922.93 : x
  2. Step 2: Convert to fraction form
    3,415.08/4,712.80 = 1,922.93/x
  3. Step 3: Cross multiply
    3,415.08x = 4,712.80 × 1,922.93
  4. Step 4: Simplify right side
    3,415.08x = 9,062,384.50
  5. Step 5: Solve for x
    x = 9,062,384.50/3,415.08
  6. Step 6: Final answer
    x = 2,653.64

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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.