Home / 1,754.26-2,419.47-1,089.86

Finding the Fourth Proportional to 1,754.26, 2,419.47 and 1,089.86

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Solution

The fourth proportional to 1,754.26, 2,419.47 and 1,089.86 is: 1,503.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.26 : 2,419.47 = 1,089.86 : x
  2. Step 2: Convert to fraction form
    1,754.26/2,419.47 = 1,089.86/x
  3. Step 3: Cross multiply
    1,754.26x = 2,419.47 × 1,089.86
  4. Step 4: Simplify right side
    1,754.26x = 2,636,871.48
  5. Step 5: Solve for x
    x = 2,636,871.48/1,754.26
  6. Step 6: Final answer
    x = 1,503.13

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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.