Home / 4,156.89-5,737.25-2,478.40

Finding the Fourth Proportional to 4,156.89, 5,737.25 and 2,478.40

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Solution

The fourth proportional to 4,156.89, 5,737.25 and 2,478.40 is: 3,420.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.89 : 5,737.25 = 2,478.40 : x
  2. Step 2: Convert to fraction form
    4,156.89/5,737.25 = 2,478.40/x
  3. Step 3: Cross multiply
    4,156.89x = 5,737.25 × 2,478.40
  4. Step 4: Simplify right side
    4,156.89x = 14,219,188.01
  5. Step 5: Solve for x
    x = 14,219,188.01/4,156.89
  6. Step 6: Final answer
    x = 3,420.64

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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.