Home / 3,130.46-4,319.73-1,871.26

Finding the Fourth Proportional to 3,130.46, 4,319.73 and 1,871.26

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Solution

The fourth proportional to 3,130.46, 4,319.73 and 1,871.26 is: 2,582.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.46 : 4,319.73 = 1,871.26 : x
  2. Step 2: Convert to fraction form
    3,130.46/4,319.73 = 1,871.26/x
  3. Step 3: Cross multiply
    3,130.46x = 4,319.73 × 1,871.26
  4. Step 4: Simplify right side
    3,130.46x = 8,083,316.36
  5. Step 5: Solve for x
    x = 8,083,316.36/3,130.46
  6. Step 6: Final answer
    x = 2,582.15

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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.