Home / 3,605.27-5,405.88-1,140.71

Finding the Fourth Proportional to 3,605.27, 5,405.88 and 1,140.71

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Solution

The fourth proportional to 3,605.27, 5,405.88 and 1,140.71 is: 1,710.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.27 : 5,405.88 = 1,140.71 : x
  2. Step 2: Convert to fraction form
    3,605.27/5,405.88 = 1,140.71/x
  3. Step 3: Cross multiply
    3,605.27x = 5,405.88 × 1,140.71
  4. Step 4: Simplify right side
    3,605.27x = 6,166,541.37
  5. Step 5: Solve for x
    x = 6,166,541.37/3,605.27
  6. Step 6: Final answer
    x = 1,710.42

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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.