Home / 3,529.04-5,289.71-1,881.50

Finding the Fourth Proportional to 3,529.04, 5,289.71 and 1,881.50

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Solution

The fourth proportional to 3,529.04, 5,289.71 and 1,881.50 is: 2,820.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.04 : 5,289.71 = 1,881.50 : x
  2. Step 2: Convert to fraction form
    3,529.04/5,289.71 = 1,881.50/x
  3. Step 3: Cross multiply
    3,529.04x = 5,289.71 × 1,881.50
  4. Step 4: Simplify right side
    3,529.04x = 9,952,553.51
  5. Step 5: Solve for x
    x = 9,952,553.51/3,529.04
  6. Step 6: Final answer
    x = 2,820.19

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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.