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Finding the Fourth Proportional to 1,673.83, 2,510.99 and 577.90

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Solution

The fourth proportional to 1,673.83, 2,510.99 and 577.90 is: 866.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.83 : 2,510.99 = 577.90 : x
  2. Step 2: Convert to fraction form
    1,673.83/2,510.99 = 577.90/x
  3. Step 3: Cross multiply
    1,673.83x = 2,510.99 × 577.90
  4. Step 4: Simplify right side
    1,673.83x = 1,451,085.68
  5. Step 5: Solve for x
    x = 1,451,085.68/1,673.83
  6. Step 6: Final answer
    x = 866.93

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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.