Home / 3,210.87-4,813.47-3,017.28

Finding the Fourth Proportional to 3,210.87, 4,813.47 and 3,017.28

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Solution

The fourth proportional to 3,210.87, 4,813.47 and 3,017.28 is: 4,523.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.87 : 4,813.47 = 3,017.28 : x
  2. Step 2: Convert to fraction form
    3,210.87/4,813.47 = 3,017.28/x
  3. Step 3: Cross multiply
    3,210.87x = 4,813.47 × 3,017.28
  4. Step 4: Simplify right side
    3,210.87x = 14,523,586.76
  5. Step 5: Solve for x
    x = 14,523,586.76/3,210.87
  6. Step 6: Final answer
    x = 4,523.26

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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.