Home / 2,512.55-3,465.06-1,715.51

Finding the Fourth Proportional to 2,512.55, 3,465.06 and 1,715.51

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Solution

The fourth proportional to 2,512.55, 3,465.06 and 1,715.51 is: 2,365.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.55 : 3,465.06 = 1,715.51 : x
  2. Step 2: Convert to fraction form
    2,512.55/3,465.06 = 1,715.51/x
  3. Step 3: Cross multiply
    2,512.55x = 3,465.06 × 1,715.51
  4. Step 4: Simplify right side
    2,512.55x = 5,944,345.08
  5. Step 5: Solve for x
    x = 5,944,345.08/2,512.55
  6. Step 6: Final answer
    x = 2,365.86

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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.