Home / 2,190.03-3,285.26-1,457.39

Finding the Fourth Proportional to 2,190.03, 3,285.26 and 1,457.39

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Solution

The fourth proportional to 2,190.03, 3,285.26 and 1,457.39 is: 2,186.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.03 : 3,285.26 = 1,457.39 : x
  2. Step 2: Convert to fraction form
    2,190.03/3,285.26 = 1,457.39/x
  3. Step 3: Cross multiply
    2,190.03x = 3,285.26 × 1,457.39
  4. Step 4: Simplify right side
    2,190.03x = 4,787,881.36
  5. Step 5: Solve for x
    x = 4,787,881.36/2,190.03
  6. Step 6: Final answer
    x = 2,186.22

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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.