Home / 3,077.28-4,589.28-2,930.40

Finding the Fourth Proportional to 3,077.28, 4,589.28 and 2,930.40

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Solution

The fourth proportional to 3,077.28, 4,589.28 and 2,930.40 is: 4,370.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.28 : 4,589.28 = 2,930.40 : x
  2. Step 2: Convert to fraction form
    3,077.28/4,589.28 = 2,930.40/x
  3. Step 3: Cross multiply
    3,077.28x = 4,589.28 × 2,930.40
  4. Step 4: Simplify right side
    3,077.28x = 13,448,426.11
  5. Step 5: Solve for x
    x = 13,448,426.11/3,077.28
  6. Step 6: Final answer
    x = 4,370.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.