Home / 2,635.91-3,637.37-1,457

Finding the Fourth Proportional to 2,635.91, 3,637.37 and 1,457

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Solution

The fourth proportional to 2,635.91, 3,637.37 and 1,457 is: 2,010.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.91 : 3,637.37 = 1,457 : x
  2. Step 2: Convert to fraction form
    2,635.91/3,637.37 = 1,457/x
  3. Step 3: Cross multiply
    2,635.91x = 3,637.37 × 1,457
  4. Step 4: Simplify right side
    2,635.91x = 5,299,640.81
  5. Step 5: Solve for x
    x = 5,299,640.81/2,635.91
  6. Step 6: Final answer
    x = 2,010.55

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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.