Home / 3,681.19-5,491.61-3,580.75

Finding the Fourth Proportional to 3,681.19, 5,491.61 and 3,580.75

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Solution

The fourth proportional to 3,681.19, 5,491.61 and 3,580.75 is: 5,341.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.19 : 5,491.61 = 3,580.75 : x
  2. Step 2: Convert to fraction form
    3,681.19/5,491.61 = 3,580.75/x
  3. Step 3: Cross multiply
    3,681.19x = 5,491.61 × 3,580.75
  4. Step 4: Simplify right side
    3,681.19x = 19,664,082.51
  5. Step 5: Solve for x
    x = 19,664,082.51/3,681.19
  6. Step 6: Final answer
    x = 5,341.77

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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.