Home / 1,720.86-2,583.54-1,102.92

Finding the Fourth Proportional to 1,720.86, 2,583.54 and 1,102.92

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Solution

The fourth proportional to 1,720.86, 2,583.54 and 1,102.92 is: 1,655.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720.86 : 2,583.54 = 1,102.92 : x
  2. Step 2: Convert to fraction form
    1,720.86/2,583.54 = 1,102.92/x
  3. Step 3: Cross multiply
    1,720.86x = 2,583.54 × 1,102.92
  4. Step 4: Simplify right side
    1,720.86x = 2,849,437.94
  5. Step 5: Solve for x
    x = 2,849,437.94/1,720.86
  6. Step 6: Final answer
    x = 1,655.82

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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.