Home / 3,690.71-5,536.02-2,210.35

Finding the Fourth Proportional to 3,690.71, 5,536.02 and 2,210.35

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Solution

The fourth proportional to 3,690.71, 5,536.02 and 2,210.35 is: 3,315.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.71 : 5,536.02 = 2,210.35 : x
  2. Step 2: Convert to fraction form
    3,690.71/5,536.02 = 2,210.35/x
  3. Step 3: Cross multiply
    3,690.71x = 5,536.02 × 2,210.35
  4. Step 4: Simplify right side
    3,690.71x = 12,236,546.64
  5. Step 5: Solve for x
    x = 12,236,546.64/3,690.71
  6. Step 6: Final answer
    x = 3,315.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.