Home / 3,218.04-4,829.80-1,271.62

Finding the Fourth Proportional to 3,218.04, 4,829.80 and 1,271.62

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Solution

The fourth proportional to 3,218.04, 4,829.80 and 1,271.62 is: 1,908.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.04 : 4,829.80 = 1,271.62 : x
  2. Step 2: Convert to fraction form
    3,218.04/4,829.80 = 1,271.62/x
  3. Step 3: Cross multiply
    3,218.04x = 4,829.80 × 1,271.62
  4. Step 4: Simplify right side
    3,218.04x = 6,141,670.28
  5. Step 5: Solve for x
    x = 6,141,670.28/3,218.04
  6. Step 6: Final answer
    x = 1,908.51

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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.