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Finding the Fourth Proportional to 1,712.61, 2,363.99 and 1,004.69

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Solution

The fourth proportional to 1,712.61, 2,363.99 and 1,004.69 is: 1,386.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.61 : 2,363.99 = 1,004.69 : x
  2. Step 2: Convert to fraction form
    1,712.61/2,363.99 = 1,004.69/x
  3. Step 3: Cross multiply
    1,712.61x = 2,363.99 × 1,004.69
  4. Step 4: Simplify right side
    1,712.61x = 2,375,077.11
  5. Step 5: Solve for x
    x = 2,375,077.11/1,712.61
  6. Step 6: Final answer
    x = 1,386.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.