Home / 3,457.30-5,187.50-1,813.46

Finding the Fourth Proportional to 3,457.30, 5,187.50 and 1,813.46

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Solution

The fourth proportional to 3,457.30, 5,187.50 and 1,813.46 is: 2,721.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.30 : 5,187.50 = 1,813.46 : x
  2. Step 2: Convert to fraction form
    3,457.30/5,187.50 = 1,813.46/x
  3. Step 3: Cross multiply
    3,457.30x = 5,187.50 × 1,813.46
  4. Step 4: Simplify right side
    3,457.30x = 9,407,323.75
  5. Step 5: Solve for x
    x = 9,407,323.75/3,457.30
  6. Step 6: Final answer
    x = 2,721.00

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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.