Home / 3,521.52-5,280.76-1,571.12

Finding the Fourth Proportional to 3,521.52, 5,280.76 and 1,571.12

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Solution

The fourth proportional to 3,521.52, 5,280.76 and 1,571.12 is: 2,356.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.52 : 5,280.76 = 1,571.12 : x
  2. Step 2: Convert to fraction form
    3,521.52/5,280.76 = 1,571.12/x
  3. Step 3: Cross multiply
    3,521.52x = 5,280.76 × 1,571.12
  4. Step 4: Simplify right side
    3,521.52x = 8,296,707.65
  5. Step 5: Solve for x
    x = 8,296,707.65/3,521.52
  6. Step 6: Final answer
    x = 2,356.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.