Home / 3,455.65-4,768.23-3,280.56

Finding the Fourth Proportional to 3,455.65, 4,768.23 and 3,280.56

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Solution

The fourth proportional to 3,455.65, 4,768.23 and 3,280.56 is: 4,526.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.65 : 4,768.23 = 3,280.56 : x
  2. Step 2: Convert to fraction form
    3,455.65/4,768.23 = 3,280.56/x
  3. Step 3: Cross multiply
    3,455.65x = 4,768.23 × 3,280.56
  4. Step 4: Simplify right side
    3,455.65x = 15,642,464.61
  5. Step 5: Solve for x
    x = 15,642,464.61/3,455.65
  6. Step 6: Final answer
    x = 4,526.63

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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.