Home / 3,476.77-5,211.51-1,284.10

Finding the Fourth Proportional to 3,476.77, 5,211.51 and 1,284.10

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Solution

The fourth proportional to 3,476.77, 5,211.51 and 1,284.10 is: 1,924.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.77 : 5,211.51 = 1,284.10 : x
  2. Step 2: Convert to fraction form
    3,476.77/5,211.51 = 1,284.10/x
  3. Step 3: Cross multiply
    3,476.77x = 5,211.51 × 1,284.10
  4. Step 4: Simplify right side
    3,476.77x = 6,692,099.99
  5. Step 5: Solve for x
    x = 6,692,099.99/3,476.77
  6. Step 6: Final answer
    x = 1,924.80

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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.