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Finding the Fourth Proportional to 1,699.62, 2,545.35 and 1,504.86

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Solution

The fourth proportional to 1,699.62, 2,545.35 and 1,504.86 is: 2,253.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699.62 : 2,545.35 = 1,504.86 : x
  2. Step 2: Convert to fraction form
    1,699.62/2,545.35 = 1,504.86/x
  3. Step 3: Cross multiply
    1,699.62x = 2,545.35 × 1,504.86
  4. Step 4: Simplify right side
    1,699.62x = 3,830,395.40
  5. Step 5: Solve for x
    x = 3,830,395.40/1,699.62
  6. Step 6: Final answer
    x = 2,253.68

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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.