Home / 4,128.98-6,187.65-2,280.92

Finding the Fourth Proportional to 4,128.98, 6,187.65 and 2,280.92

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Solution

The fourth proportional to 4,128.98, 6,187.65 and 2,280.92 is: 3,418.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.98 : 6,187.65 = 2,280.92 : x
  2. Step 2: Convert to fraction form
    4,128.98/6,187.65 = 2,280.92/x
  3. Step 3: Cross multiply
    4,128.98x = 6,187.65 × 2,280.92
  4. Step 4: Simplify right side
    4,128.98x = 14,113,534.64
  5. Step 5: Solve for x
    x = 14,113,534.64/4,128.98
  6. Step 6: Final answer
    x = 3,418.16

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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.