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Finding the Fourth Proportional to 3,485.52, 4,807.19 and 3,065.00

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Solution

The fourth proportional to 3,485.52, 4,807.19 and 3,065.00 is: 4,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.52 : 4,807.19 = 3,065.00 : x
  2. Step 2: Convert to fraction form
    3,485.52/4,807.19 = 3,065.00/x
  3. Step 3: Cross multiply
    3,485.52x = 4,807.19 × 3,065.00
  4. Step 4: Simplify right side
    3,485.52x = 14,733,997.99
  5. Step 5: Solve for x
    x = 14,733,997.99/3,485.52
  6. Step 6: Final answer
    x = 4,227.20

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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.