Home / 3,720.10-5,133.66-2,041.51

Finding the Fourth Proportional to 3,720.10, 5,133.66 and 2,041.51

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Solution

The fourth proportional to 3,720.10, 5,133.66 and 2,041.51 is: 2,817.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.10 : 5,133.66 = 2,041.51 : x
  2. Step 2: Convert to fraction form
    3,720.10/5,133.66 = 2,041.51/x
  3. Step 3: Cross multiply
    3,720.10x = 5,133.66 × 2,041.51
  4. Step 4: Simplify right side
    3,720.10x = 10,480,418.23
  5. Step 5: Solve for x
    x = 10,480,418.23/3,720.10
  6. Step 6: Final answer
    x = 2,817.24

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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.