Home / 3,130.37-4,315.29-2,383.02

Finding the Fourth Proportional to 3,130.37, 4,315.29 and 2,383.02

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Solution

The fourth proportional to 3,130.37, 4,315.29 and 2,383.02 is: 3,285.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.37 : 4,315.29 = 2,383.02 : x
  2. Step 2: Convert to fraction form
    3,130.37/4,315.29 = 2,383.02/x
  3. Step 3: Cross multiply
    3,130.37x = 4,315.29 × 2,383.02
  4. Step 4: Simplify right side
    3,130.37x = 10,283,422.38
  5. Step 5: Solve for x
    x = 10,283,422.38/3,130.37
  6. Step 6: Final answer
    x = 3,285.06

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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.