Home / 1,712.24-2,561.64-1,225.52

Finding the Fourth Proportional to 1,712.24, 2,561.64 and 1,225.52

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Solution

The fourth proportional to 1,712.24, 2,561.64 and 1,225.52 is: 1,833.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.24 : 2,561.64 = 1,225.52 : x
  2. Step 2: Convert to fraction form
    1,712.24/2,561.64 = 1,225.52/x
  3. Step 3: Cross multiply
    1,712.24x = 2,561.64 × 1,225.52
  4. Step 4: Simplify right side
    1,712.24x = 3,139,341.05
  5. Step 5: Solve for x
    x = 3,139,341.05/1,712.24
  6. Step 6: Final answer
    x = 1,833.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.