Home / 4,157-5,737.40-2,479.38

Finding the Fourth Proportional to 4,157, 5,737.40 and 2,479.38

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Solution

The fourth proportional to 4,157, 5,737.40 and 2,479.38 is: 3,421.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157 : 5,737.40 = 2,479.38 : x
  2. Step 2: Convert to fraction form
    4,157/5,737.40 = 2,479.38/x
  3. Step 3: Cross multiply
    4,157x = 5,737.40 × 2,479.38
  4. Step 4: Simplify right side
    4,157x = 14,225,194.81
  5. Step 5: Solve for x
    x = 14,225,194.81/4,157
  6. Step 6: Final answer
    x = 3,421.99

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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.