Home / 3,271.47-4,909.63-1,541.31

Finding the Fourth Proportional to 3,271.47, 4,909.63 and 1,541.31

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Solution

The fourth proportional to 3,271.47, 4,909.63 and 1,541.31 is: 2,313.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.47 : 4,909.63 = 1,541.31 : x
  2. Step 2: Convert to fraction form
    3,271.47/4,909.63 = 1,541.31/x
  3. Step 3: Cross multiply
    3,271.47x = 4,909.63 × 1,541.31
  4. Step 4: Simplify right side
    3,271.47x = 7,567,261.82
  5. Step 5: Solve for x
    x = 7,567,261.82/3,271.47
  6. Step 6: Final answer
    x = 2,313.11

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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.