Home / 3,683.49-5,525.90-1,220.08

Finding the Fourth Proportional to 3,683.49, 5,525.90 and 1,220.08

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Solution

The fourth proportional to 3,683.49, 5,525.90 and 1,220.08 is: 1,830.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.49 : 5,525.90 = 1,220.08 : x
  2. Step 2: Convert to fraction form
    3,683.49/5,525.90 = 1,220.08/x
  3. Step 3: Cross multiply
    3,683.49x = 5,525.90 × 1,220.08
  4. Step 4: Simplify right side
    3,683.49x = 6,742,033.97
  5. Step 5: Solve for x
    x = 6,742,033.97/3,683.49
  6. Step 6: Final answer
    x = 1,830.34

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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.