Home / 1,373.58-2,069.80-1,135.44

Finding the Fourth Proportional to 1,373.58, 2,069.80 and 1,135.44

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Solution

The fourth proportional to 1,373.58, 2,069.80 and 1,135.44 is: 1,710.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373.58 : 2,069.80 = 1,135.44 : x
  2. Step 2: Convert to fraction form
    1,373.58/2,069.80 = 1,135.44/x
  3. Step 3: Cross multiply
    1,373.58x = 2,069.80 × 1,135.44
  4. Step 4: Simplify right side
    1,373.58x = 2,350,130.87
  5. Step 5: Solve for x
    x = 2,350,130.87/1,373.58
  6. Step 6: Final answer
    x = 1,710.95

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.