Home / 1,727.67-2,585.90-945.71

Finding the Fourth Proportional to 1,727.67, 2,585.90 and 945.71

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Solution

The fourth proportional to 1,727.67, 2,585.90 and 945.71 is: 1,415.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.67 : 2,585.90 = 945.71 : x
  2. Step 2: Convert to fraction form
    1,727.67/2,585.90 = 945.71/x
  3. Step 3: Cross multiply
    1,727.67x = 2,585.90 × 945.71
  4. Step 4: Simplify right side
    1,727.67x = 2,445,502.51
  5. Step 5: Solve for x
    x = 2,445,502.51/1,727.67
  6. Step 6: Final answer
    x = 1,415.49

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1.5x scale

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.