Home / 1,864.80-2,572.29-1,341.54

Finding the Fourth Proportional to 1,864.80, 2,572.29 and 1,341.54

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Solution

The fourth proportional to 1,864.80, 2,572.29 and 1,341.54 is: 1,850.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.80 : 2,572.29 = 1,341.54 : x
  2. Step 2: Convert to fraction form
    1,864.80/2,572.29 = 1,341.54/x
  3. Step 3: Cross multiply
    1,864.80x = 2,572.29 × 1,341.54
  4. Step 4: Simplify right side
    1,864.80x = 3,450,829.93
  5. Step 5: Solve for x
    x = 3,450,829.93/1,864.80
  6. Step 6: Final answer
    x = 1,850.51

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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.