Home / 2,030.81-3,039.12-1,250.57

Finding the Fourth Proportional to 2,030.81, 3,039.12 and 1,250.57

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Solution

The fourth proportional to 2,030.81, 3,039.12 and 1,250.57 is: 1,871.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.81 : 3,039.12 = 1,250.57 : x
  2. Step 2: Convert to fraction form
    2,030.81/3,039.12 = 1,250.57/x
  3. Step 3: Cross multiply
    2,030.81x = 3,039.12 × 1,250.57
  4. Step 4: Simplify right side
    2,030.81x = 3,800,639.90
  5. Step 5: Solve for x
    x = 3,800,639.90/2,030.81
  6. Step 6: Final answer
    x = 1,871.49

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1.5x scale

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.