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Finding the Fourth Proportional to 1,752.77, 2,630.51 and 1,739.09

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Solution

The fourth proportional to 1,752.77, 2,630.51 and 1,739.09 is: 2,609.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.77 : 2,630.51 = 1,739.09 : x
  2. Step 2: Convert to fraction form
    1,752.77/2,630.51 = 1,739.09/x
  3. Step 3: Cross multiply
    1,752.77x = 2,630.51 × 1,739.09
  4. Step 4: Simplify right side
    1,752.77x = 4,574,693.64
  5. Step 5: Solve for x
    x = 4,574,693.64/1,752.77
  6. Step 6: Final answer
    x = 2,609.98

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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.