Home / 3,077.50-4,617.61-1,616.32

Finding the Fourth Proportional to 3,077.50, 4,617.61 and 1,616.32

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Solution

The fourth proportional to 3,077.50, 4,617.61 and 1,616.32 is: 2,425.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.50 : 4,617.61 = 1,616.32 : x
  2. Step 2: Convert to fraction form
    3,077.50/4,617.61 = 1,616.32/x
  3. Step 3: Cross multiply
    3,077.50x = 4,617.61 × 1,616.32
  4. Step 4: Simplify right side
    3,077.50x = 7,463,535.40
  5. Step 5: Solve for x
    x = 7,463,535.40/3,077.50
  6. Step 6: Final answer
    x = 2,425.19

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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.