Home / 2,635.90-3,637.49-1,457.02

Finding the Fourth Proportional to 2,635.90, 3,637.49 and 1,457.02

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Solution

The fourth proportional to 2,635.90, 3,637.49 and 1,457.02 is: 2,010.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.90 : 3,637.49 = 1,457.02 : x
  2. Step 2: Convert to fraction form
    2,635.90/3,637.49 = 1,457.02/x
  3. Step 3: Cross multiply
    2,635.90x = 3,637.49 × 1,457.02
  4. Step 4: Simplify right side
    2,635.90x = 5,299,895.68
  5. Step 5: Solve for x
    x = 5,299,895.68/2,635.90
  6. Step 6: Final answer
    x = 2,010.66

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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.