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Finding the Fourth Proportional to 1,752.14, 2,628.91 and 1,724.50

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Solution

The fourth proportional to 1,752.14, 2,628.91 and 1,724.50 is: 2,587.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.14 : 2,628.91 = 1,724.50 : x
  2. Step 2: Convert to fraction form
    1,752.14/2,628.91 = 1,724.50/x
  3. Step 3: Cross multiply
    1,752.14x = 2,628.91 × 1,724.50
  4. Step 4: Simplify right side
    1,752.14x = 4,533,542.15
  5. Step 5: Solve for x
    x = 4,533,542.15/1,752.14
  6. Step 6: Final answer
    x = 2,587.44

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1.5x scale

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.