Home / 3,686.81-5,087.74-2,030.81

Finding the Fourth Proportional to 3,686.81, 5,087.74 and 2,030.81

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Solution

The fourth proportional to 3,686.81, 5,087.74 and 2,030.81 is: 2,802.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.81 : 5,087.74 = 2,030.81 : x
  2. Step 2: Convert to fraction form
    3,686.81/5,087.74 = 2,030.81/x
  3. Step 3: Cross multiply
    3,686.81x = 5,087.74 × 2,030.81
  4. Step 4: Simplify right side
    3,686.81x = 10,332,233.27
  5. Step 5: Solve for x
    x = 10,332,233.27/3,686.81
  6. Step 6: Final answer
    x = 2,802.49

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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.