Home / 2,030.81-3,051.08-1,301.81

Finding the Fourth Proportional to 2,030.81, 3,051.08 and 1,301.81

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Solution

The fourth proportional to 2,030.81, 3,051.08 and 1,301.81 is: 1,955.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.81 : 3,051.08 = 1,301.81 : x
  2. Step 2: Convert to fraction form
    2,030.81/3,051.08 = 1,301.81/x
  3. Step 3: Cross multiply
    2,030.81x = 3,051.08 × 1,301.81
  4. Step 4: Simplify right side
    2,030.81x = 3,971,919.95
  5. Step 5: Solve for x
    x = 3,971,919.95/2,030.81
  6. Step 6: Final answer
    x = 1,955.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.