Home / 1,945.17-2,685.66-1,502.31

Finding the Fourth Proportional to 1,945.17, 2,685.66 and 1,502.31

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Solution

The fourth proportional to 1,945.17, 2,685.66 and 1,502.31 is: 2,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.17 : 2,685.66 = 1,502.31 : x
  2. Step 2: Convert to fraction form
    1,945.17/2,685.66 = 1,502.31/x
  3. Step 3: Cross multiply
    1,945.17x = 2,685.66 × 1,502.31
  4. Step 4: Simplify right side
    1,945.17x = 4,034,693.87
  5. Step 5: Solve for x
    x = 4,034,693.87/1,945.17
  6. Step 6: Final answer
    x = 2,074.21

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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.