Home / 2,534.78-3,497.96-1,415.80

Finding the Fourth Proportional to 2,534.78, 3,497.96 and 1,415.80

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Solution

The fourth proportional to 2,534.78, 3,497.96 and 1,415.80 is: 1,953.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,534.78 : 3,497.96 = 1,415.80 : x
  2. Step 2: Convert to fraction form
    2,534.78/3,497.96 = 1,415.80/x
  3. Step 3: Cross multiply
    2,534.78x = 3,497.96 × 1,415.80
  4. Step 4: Simplify right side
    2,534.78x = 4,952,411.77
  5. Step 5: Solve for x
    x = 4,952,411.77/2,534.78
  6. Step 6: Final answer
    x = 1,953.78

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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.