Home / 3,210.36-4,813.82-1,477.50

Finding the Fourth Proportional to 3,210.36, 4,813.82 and 1,477.50

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Solution

The fourth proportional to 3,210.36, 4,813.82 and 1,477.50 is: 2,215.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.36 : 4,813.82 = 1,477.50 : x
  2. Step 2: Convert to fraction form
    3,210.36/4,813.82 = 1,477.50/x
  3. Step 3: Cross multiply
    3,210.36x = 4,813.82 × 1,477.50
  4. Step 4: Simplify right side
    3,210.36x = 7,112,419.05
  5. Step 5: Solve for x
    x = 7,112,419.05/3,210.36
  6. Step 6: Final answer
    x = 2,215.46

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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.