Home / 1,551.45-2,328.20-577.52

Finding the Fourth Proportional to 1,551.45, 2,328.20 and 577.52

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Solution

The fourth proportional to 1,551.45, 2,328.20 and 577.52 is: 866.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.45 : 2,328.20 = 577.52 : x
  2. Step 2: Convert to fraction form
    1,551.45/2,328.20 = 577.52/x
  3. Step 3: Cross multiply
    1,551.45x = 2,328.20 × 577.52
  4. Step 4: Simplify right side
    1,551.45x = 1,344,567.54
  5. Step 5: Solve for x
    x = 1,344,567.54/1,551.45
  6. Step 6: Final answer
    x = 866.65

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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.