Home / 1,732.22-2,390.51-946.32

Finding the Fourth Proportional to 1,732.22, 2,390.51 and 946.32

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Solution

The fourth proportional to 1,732.22, 2,390.51 and 946.32 is: 1,305.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.22 : 2,390.51 = 946.32 : x
  2. Step 2: Convert to fraction form
    1,732.22/2,390.51 = 946.32/x
  3. Step 3: Cross multiply
    1,732.22x = 2,390.51 × 946.32
  4. Step 4: Simplify right side
    1,732.22x = 2,262,180.82
  5. Step 5: Solve for x
    x = 2,262,180.82/1,732.22
  6. Step 6: Final answer
    x = 1,305.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.