Home / 3,486.02-4,807.88-3,065.48

Finding the Fourth Proportional to 3,486.02, 4,807.88 and 3,065.48

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Solution

The fourth proportional to 3,486.02, 4,807.88 and 3,065.48 is: 4,227.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.02 : 4,807.88 = 3,065.48 : x
  2. Step 2: Convert to fraction form
    3,486.02/4,807.88 = 3,065.48/x
  3. Step 3: Cross multiply
    3,486.02x = 4,807.88 × 3,065.48
  4. Step 4: Simplify right side
    3,486.02x = 14,738,459.98
  5. Step 5: Solve for x
    x = 14,738,459.98/3,486.02
  6. Step 6: Final answer
    x = 4,227.88

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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.