Home / 2,345.63-3,237.03-1,297.76

Finding the Fourth Proportional to 2,345.63, 3,237.03 and 1,297.76

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Solution

The fourth proportional to 2,345.63, 3,237.03 and 1,297.76 is: 1,790.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.63 : 3,237.03 = 1,297.76 : x
  2. Step 2: Convert to fraction form
    2,345.63/3,237.03 = 1,297.76/x
  3. Step 3: Cross multiply
    2,345.63x = 3,237.03 × 1,297.76
  4. Step 4: Simplify right side
    2,345.63x = 4,200,871.87
  5. Step 5: Solve for x
    x = 4,200,871.87/2,345.63
  6. Step 6: Final answer
    x = 1,790.94

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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.