Home / 3,130.31-4,319.83-1,733.06

Finding the Fourth Proportional to 3,130.31, 4,319.83 and 1,733.06

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Solution

The fourth proportional to 3,130.31, 4,319.83 and 1,733.06 is: 2,391.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.31 : 4,319.83 = 1,733.06 : x
  2. Step 2: Convert to fraction form
    3,130.31/4,319.83 = 1,733.06/x
  3. Step 3: Cross multiply
    3,130.31x = 4,319.83 × 1,733.06
  4. Step 4: Simplify right side
    3,130.31x = 7,486,537.55
  5. Step 5: Solve for x
    x = 7,486,537.55/3,130.31
  6. Step 6: Final answer
    x = 2,391.63

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1.5x scale

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.