Home / 3,720.34-5,580.83-1,529.58

Finding the Fourth Proportional to 3,720.34, 5,580.83 and 1,529.58

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Solution

The fourth proportional to 3,720.34, 5,580.83 and 1,529.58 is: 2,294.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.34 : 5,580.83 = 1,529.58 : x
  2. Step 2: Convert to fraction form
    3,720.34/5,580.83 = 1,529.58/x
  3. Step 3: Cross multiply
    3,720.34x = 5,580.83 × 1,529.58
  4. Step 4: Simplify right side
    3,720.34x = 8,536,325.95
  5. Step 5: Solve for x
    x = 8,536,325.95/3,720.34
  6. Step 6: Final answer
    x = 2,294.50

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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.