Home / 3,300.72-4,554.95-1,808.55

Finding the Fourth Proportional to 3,300.72, 4,554.95 and 1,808.55

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Solution

The fourth proportional to 3,300.72, 4,554.95 and 1,808.55 is: 2,495.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.72 : 4,554.95 = 1,808.55 : x
  2. Step 2: Convert to fraction form
    3,300.72/4,554.95 = 1,808.55/x
  3. Step 3: Cross multiply
    3,300.72x = 4,554.95 × 1,808.55
  4. Step 4: Simplify right side
    3,300.72x = 8,237,823.01
  5. Step 5: Solve for x
    x = 8,237,823.01/3,300.72
  6. Step 6: Final answer
    x = 2,495.77

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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.