Home / 3,555.06-5,332.26-1,607.40

Finding the Fourth Proportional to 3,555.06, 5,332.26 and 1,607.40

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Solution

The fourth proportional to 3,555.06, 5,332.26 and 1,607.40 is: 2,410.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.06 : 5,332.26 = 1,607.40 : x
  2. Step 2: Convert to fraction form
    3,555.06/5,332.26 = 1,607.40/x
  3. Step 3: Cross multiply
    3,555.06x = 5,332.26 × 1,607.40
  4. Step 4: Simplify right side
    3,555.06x = 8,571,074.72
  5. Step 5: Solve for x
    x = 8,571,074.72/3,555.06
  6. Step 6: Final answer
    x = 2,410.95

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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.