Home / 3,526.64-4,861.28-2,690.72

Finding the Fourth Proportional to 3,526.64, 4,861.28 and 2,690.72

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Solution

The fourth proportional to 3,526.64, 4,861.28 and 2,690.72 is: 3,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.64 : 4,861.28 = 2,690.72 : x
  2. Step 2: Convert to fraction form
    3,526.64/4,861.28 = 2,690.72/x
  3. Step 3: Cross multiply
    3,526.64x = 4,861.28 × 2,690.72
  4. Step 4: Simplify right side
    3,526.64x = 13,080,343.32
  5. Step 5: Solve for x
    x = 13,080,343.32/3,526.64
  6. Step 6: Final answer
    x = 3,709.01

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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.