Home / 3,007.19-4,155.23-2,605.78

Finding the Fourth Proportional to 3,007.19, 4,155.23 and 2,605.78

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Solution

The fourth proportional to 3,007.19, 4,155.23 and 2,605.78 is: 3,600.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.19 : 4,155.23 = 2,605.78 : x
  2. Step 2: Convert to fraction form
    3,007.19/4,155.23 = 2,605.78/x
  3. Step 3: Cross multiply
    3,007.19x = 4,155.23 × 2,605.78
  4. Step 4: Simplify right side
    3,007.19x = 10,827,615.23
  5. Step 5: Solve for x
    x = 10,827,615.23/3,007.19
  6. Step 6: Final answer
    x = 3,600.58

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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.