Home / 4,130.64-5,698.40-2,874.69

Finding the Fourth Proportional to 4,130.64, 5,698.40 and 2,874.69

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Solution

The fourth proportional to 4,130.64, 5,698.40 and 2,874.69 is: 3,965.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.64 : 5,698.40 = 2,874.69 : x
  2. Step 2: Convert to fraction form
    4,130.64/5,698.40 = 2,874.69/x
  3. Step 3: Cross multiply
    4,130.64x = 5,698.40 × 2,874.69
  4. Step 4: Simplify right side
    4,130.64x = 16,381,119.12
  5. Step 5: Solve for x
    x = 16,381,119.12/4,130.64
  6. Step 6: Final answer
    x = 3,965.76

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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.