Home / 4,280.51-5,905.26-2,487.84

Finding the Fourth Proportional to 4,280.51, 5,905.26 and 2,487.84

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Solution

The fourth proportional to 4,280.51, 5,905.26 and 2,487.84 is: 3,432.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.51 : 5,905.26 = 2,487.84 : x
  2. Step 2: Convert to fraction form
    4,280.51/5,905.26 = 2,487.84/x
  3. Step 3: Cross multiply
    4,280.51x = 5,905.26 × 2,487.84
  4. Step 4: Simplify right side
    4,280.51x = 14,691,342.04
  5. Step 5: Solve for x
    x = 14,691,342.04/4,280.51
  6. Step 6: Final answer
    x = 3,432.15

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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.