Home / 3,720.13-5,133.58-2,041.51

Finding the Fourth Proportional to 3,720.13, 5,133.58 and 2,041.51

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Solution

The fourth proportional to 3,720.13, 5,133.58 and 2,041.51 is: 2,817.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.13 : 5,133.58 = 2,041.51 : x
  2. Step 2: Convert to fraction form
    3,720.13/5,133.58 = 2,041.51/x
  3. Step 3: Cross multiply
    3,720.13x = 5,133.58 × 2,041.51
  4. Step 4: Simplify right side
    3,720.13x = 10,480,219.03
  5. Step 5: Solve for x
    x = 10,480,219.03/3,720.13
  6. Step 6: Final answer
    x = 2,817.17

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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.