Home / 3,645.15-5,030.75-2,052.40

Finding the Fourth Proportional to 3,645.15, 5,030.75 and 2,052.40

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Solution

The fourth proportional to 3,645.15, 5,030.75 and 2,052.40 is: 2,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.15 : 5,030.75 = 2,052.40 : x
  2. Step 2: Convert to fraction form
    3,645.15/5,030.75 = 2,052.40/x
  3. Step 3: Cross multiply
    3,645.15x = 5,030.75 × 2,052.40
  4. Step 4: Simplify right side
    3,645.15x = 10,325,086.15
  5. Step 5: Solve for x
    x = 10,325,086.15/3,645.15
  6. Step 6: Final answer
    x = 2,832.55

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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.