Home / 1,551.20-2,324.10-973.40

Finding the Fourth Proportional to 1,551.20, 2,324.10 and 973.40

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Solution

The fourth proportional to 1,551.20, 2,324.10 and 973.40 is: 1,458.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.20 : 2,324.10 = 973.40 : x
  2. Step 2: Convert to fraction form
    1,551.20/2,324.10 = 973.40/x
  3. Step 3: Cross multiply
    1,551.20x = 2,324.10 × 973.40
  4. Step 4: Simplify right side
    1,551.20x = 2,262,278.94
  5. Step 5: Solve for x
    x = 2,262,278.94/1,551.20
  6. Step 6: Final answer
    x = 1,458.41

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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.