Home / 3,535.70-5,303.55-1,227.20

Finding the Fourth Proportional to 3,535.70, 5,303.55 and 1,227.20

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Solution

The fourth proportional to 3,535.70, 5,303.55 and 1,227.20 is: 1,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.70 : 5,303.55 = 1,227.20 : x
  2. Step 2: Convert to fraction form
    3,535.70/5,303.55 = 1,227.20/x
  3. Step 3: Cross multiply
    3,535.70x = 5,303.55 × 1,227.20
  4. Step 4: Simplify right side
    3,535.70x = 6,508,490.04
  5. Step 5: Solve for x
    x = 6,508,490.04/3,535.70
  6. Step 6: Final answer
    x = 1,840.80

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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.