Home / 1,815.66-2,503.26-1,176.46

Finding the Fourth Proportional to 1,815.66, 2,503.26 and 1,176.46

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Solution

The fourth proportional to 1,815.66, 2,503.26 and 1,176.46 is: 1,621.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815.66 : 2,503.26 = 1,176.46 : x
  2. Step 2: Convert to fraction form
    1,815.66/2,503.26 = 1,176.46/x
  3. Step 3: Cross multiply
    1,815.66x = 2,503.26 × 1,176.46
  4. Step 4: Simplify right side
    1,815.66x = 2,944,985.26
  5. Step 5: Solve for x
    x = 2,944,985.26/1,815.66
  6. Step 6: Final answer
    x = 1,621.99

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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.