Home / 2,050.25-2,828.68-1,210.99

Finding the Fourth Proportional to 2,050.25, 2,828.68 and 1,210.99

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Solution

The fourth proportional to 2,050.25, 2,828.68 and 1,210.99 is: 1,670.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,050.25 : 2,828.68 = 1,210.99 : x
  2. Step 2: Convert to fraction form
    2,050.25/2,828.68 = 1,210.99/x
  3. Step 3: Cross multiply
    2,050.25x = 2,828.68 × 1,210.99
  4. Step 4: Simplify right side
    2,050.25x = 3,425,503.19
  5. Step 5: Solve for x
    x = 3,425,503.19/2,050.25
  6. Step 6: Final answer
    x = 1,670.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.