Home / 1,776.10-2,664.15-1,668.10

Finding the Fourth Proportional to 1,776.10, 2,664.15 and 1,668.10

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Solution

The fourth proportional to 1,776.10, 2,664.15 and 1,668.10 is: 2,502.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.10 : 2,664.15 = 1,668.10 : x
  2. Step 2: Convert to fraction form
    1,776.10/2,664.15 = 1,668.10/x
  3. Step 3: Cross multiply
    1,776.10x = 2,664.15 × 1,668.10
  4. Step 4: Simplify right side
    1,776.10x = 4,444,068.62
  5. Step 5: Solve for x
    x = 4,444,068.62/1,776.10
  6. Step 6: Final answer
    x = 2,502.15

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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.