Home / 3,487.08-4,809.24-2,957.34

Finding the Fourth Proportional to 3,487.08, 4,809.24 and 2,957.34

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Solution

The fourth proportional to 3,487.08, 4,809.24 and 2,957.34 is: 4,078.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.08 : 4,809.24 = 2,957.34 : x
  2. Step 2: Convert to fraction form
    3,487.08/4,809.24 = 2,957.34/x
  3. Step 3: Cross multiply
    3,487.08x = 4,809.24 × 2,957.34
  4. Step 4: Simplify right side
    3,487.08x = 14,222,557.82
  5. Step 5: Solve for x
    x = 14,222,557.82/3,487.08
  6. Step 6: Final answer
    x = 4,078.64

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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.