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Finding the Fourth Proportional to 1,689.71, 2,533.53 and 594.20

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Solution

The fourth proportional to 1,689.71, 2,533.53 and 594.20 is: 890.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689.71 : 2,533.53 = 594.20 : x
  2. Step 2: Convert to fraction form
    1,689.71/2,533.53 = 594.20/x
  3. Step 3: Cross multiply
    1,689.71x = 2,533.53 × 594.20
  4. Step 4: Simplify right side
    1,689.71x = 1,505,423.53
  5. Step 5: Solve for x
    x = 1,505,423.53/1,689.71
  6. Step 6: Final answer
    x = 890.94

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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.