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Finding the Fourth Proportional to 1,618.52, 2,426.67 and 577.94

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Solution

The fourth proportional to 1,618.52, 2,426.67 and 577.94 is: 866.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618.52 : 2,426.67 = 577.94 : x
  2. Step 2: Convert to fraction form
    1,618.52/2,426.67 = 577.94/x
  3. Step 3: Cross multiply
    1,618.52x = 2,426.67 × 577.94
  4. Step 4: Simplify right side
    1,618.52x = 1,402,457.53
  5. Step 5: Solve for x
    x = 1,402,457.53/1,618.52
  6. Step 6: Final answer
    x = 866.51

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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.