Home / 3,133.10-4,675.47-2,805.05

Finding the Fourth Proportional to 3,133.10, 4,675.47 and 2,805.05

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Solution

The fourth proportional to 3,133.10, 4,675.47 and 2,805.05 is: 4,185.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.10 : 4,675.47 = 2,805.05 : x
  2. Step 2: Convert to fraction form
    3,133.10/4,675.47 = 2,805.05/x
  3. Step 3: Cross multiply
    3,133.10x = 4,675.47 × 2,805.05
  4. Step 4: Simplify right side
    3,133.10x = 13,114,903.75
  5. Step 5: Solve for x
    x = 13,114,903.75/3,133.10
  6. Step 6: Final answer
    x = 4,185.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.