Home / 3,558.08-5,332.80-1,607.60

Finding the Fourth Proportional to 3,558.08, 5,332.80 and 1,607.60

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Solution

The fourth proportional to 3,558.08, 5,332.80 and 1,607.60 is: 2,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.08 : 5,332.80 = 1,607.60 : x
  2. Step 2: Convert to fraction form
    3,558.08/5,332.80 = 1,607.60/x
  3. Step 3: Cross multiply
    3,558.08x = 5,332.80 × 1,607.60
  4. Step 4: Simplify right side
    3,558.08x = 8,573,009.28
  5. Step 5: Solve for x
    x = 8,573,009.28/3,558.08
  6. Step 6: Final answer
    x = 2,409.45

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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.