Home / 1,888.23-2,828.66-1,236.99

Finding the Fourth Proportional to 1,888.23, 2,828.66 and 1,236.99

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Solution

The fourth proportional to 1,888.23, 2,828.66 and 1,236.99 is: 1,853.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.23 : 2,828.66 = 1,236.99 : x
  2. Step 2: Convert to fraction form
    1,888.23/2,828.66 = 1,236.99/x
  3. Step 3: Cross multiply
    1,888.23x = 2,828.66 × 1,236.99
  4. Step 4: Simplify right side
    1,888.23x = 3,499,017.95
  5. Step 5: Solve for x
    x = 3,499,017.95/1,888.23
  6. Step 6: Final answer
    x = 1,853.07

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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.