Home / 1,811.24-2,499.53-1,065.23

Finding the Fourth Proportional to 1,811.24, 2,499.53 and 1,065.23

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Solution

The fourth proportional to 1,811.24, 2,499.53 and 1,065.23 is: 1,470.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811.24 : 2,499.53 = 1,065.23 : x
  2. Step 2: Convert to fraction form
    1,811.24/2,499.53 = 1,065.23/x
  3. Step 3: Cross multiply
    1,811.24x = 2,499.53 × 1,065.23
  4. Step 4: Simplify right side
    1,811.24x = 2,662,575.26
  5. Step 5: Solve for x
    x = 2,662,575.26/1,811.24
  6. Step 6: Final answer
    x = 1,470.03

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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.