Home / 1,775.99-2,449.79-1,145.53

Finding the Fourth Proportional to 1,775.99, 2,449.79 and 1,145.53

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Solution

The fourth proportional to 1,775.99, 2,449.79 and 1,145.53 is: 1,580.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.99 : 2,449.79 = 1,145.53 : x
  2. Step 2: Convert to fraction form
    1,775.99/2,449.79 = 1,145.53/x
  3. Step 3: Cross multiply
    1,775.99x = 2,449.79 × 1,145.53
  4. Step 4: Simplify right side
    1,775.99x = 2,806,302.23
  5. Step 5: Solve for x
    x = 2,806,302.23/1,775.99
  6. Step 6: Final answer
    x = 1,580.13

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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.