Home / 2,965.85-4,448.69-1,210.85

Finding the Fourth Proportional to 2,965.85, 4,448.69 and 1,210.85

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Solution

The fourth proportional to 2,965.85, 4,448.69 and 1,210.85 is: 1,816.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.85 : 4,448.69 = 1,210.85 : x
  2. Step 2: Convert to fraction form
    2,965.85/4,448.69 = 1,210.85/x
  3. Step 3: Cross multiply
    2,965.85x = 4,448.69 × 1,210.85
  4. Step 4: Simplify right side
    2,965.85x = 5,386,689.21
  5. Step 5: Solve for x
    x = 5,386,689.21/2,965.85
  6. Step 6: Final answer
    x = 1,816.24

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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.