Home / 2,875.44-4,321.37-1,415.61

Finding the Fourth Proportional to 2,875.44, 4,321.37 and 1,415.61

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Solution

The fourth proportional to 2,875.44, 4,321.37 and 1,415.61 is: 2,127.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.44 : 4,321.37 = 1,415.61 : x
  2. Step 2: Convert to fraction form
    2,875.44/4,321.37 = 1,415.61/x
  3. Step 3: Cross multiply
    2,875.44x = 4,321.37 × 1,415.61
  4. Step 4: Simplify right side
    2,875.44x = 6,117,367.51
  5. Step 5: Solve for x
    x = 6,117,367.51/2,875.44
  6. Step 6: Final answer
    x = 2,127.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.