Home / 3,528.56-5,295.27-1,220.06

Finding the Fourth Proportional to 3,528.56, 5,295.27 and 1,220.06

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Solution

The fourth proportional to 3,528.56, 5,295.27 and 1,220.06 is: 1,830.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.56 : 5,295.27 = 1,220.06 : x
  2. Step 2: Convert to fraction form
    3,528.56/5,295.27 = 1,220.06/x
  3. Step 3: Cross multiply
    3,528.56x = 5,295.27 × 1,220.06
  4. Step 4: Simplify right side
    3,528.56x = 6,460,564.93
  5. Step 5: Solve for x
    x = 6,460,564.93/3,528.56
  6. Step 6: Final answer
    x = 1,830.93

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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.