Home / 2,457.13-3,678.45-1,622.66

Finding the Fourth Proportional to 2,457.13, 3,678.45 and 1,622.66

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Solution

The fourth proportional to 2,457.13, 3,678.45 and 1,622.66 is: 2,429.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.13 : 3,678.45 = 1,622.66 : x
  2. Step 2: Convert to fraction form
    2,457.13/3,678.45 = 1,622.66/x
  3. Step 3: Cross multiply
    2,457.13x = 3,678.45 × 1,622.66
  4. Step 4: Simplify right side
    2,457.13x = 5,968,855.28
  5. Step 5: Solve for x
    x = 5,968,855.28/2,457.13
  6. Step 6: Final answer
    x = 2,429.20

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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.