Home / 2,920.28-4,030.50-1,741.76

Finding the Fourth Proportional to 2,920.28, 4,030.50 and 1,741.76

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Solution

The fourth proportional to 2,920.28, 4,030.50 and 1,741.76 is: 2,403.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.28 : 4,030.50 = 1,741.76 : x
  2. Step 2: Convert to fraction form
    2,920.28/4,030.50 = 1,741.76/x
  3. Step 3: Cross multiply
    2,920.28x = 4,030.50 × 1,741.76
  4. Step 4: Simplify right side
    2,920.28x = 7,020,163.68
  5. Step 5: Solve for x
    x = 7,020,163.68/2,920.28
  6. Step 6: Final answer
    x = 2,403.94

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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.