Home / 3,285.64-4,533.99-1,888.39

Finding the Fourth Proportional to 3,285.64, 4,533.99 and 1,888.39

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Solution

The fourth proportional to 3,285.64, 4,533.99 and 1,888.39 is: 2,605.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.64 : 4,533.99 = 1,888.39 : x
  2. Step 2: Convert to fraction form
    3,285.64/4,533.99 = 1,888.39/x
  3. Step 3: Cross multiply
    3,285.64x = 4,533.99 × 1,888.39
  4. Step 4: Simplify right side
    3,285.64x = 8,561,941.38
  5. Step 5: Solve for x
    x = 8,561,941.38/3,285.64
  6. Step 6: Final answer
    x = 2,605.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.