Home / 2,085.01-2,877.80-1,246.22

Finding the Fourth Proportional to 2,085.01, 2,877.80 and 1,246.22

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Solution

The fourth proportional to 2,085.01, 2,877.80 and 1,246.22 is: 1,720.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085.01 : 2,877.80 = 1,246.22 : x
  2. Step 2: Convert to fraction form
    2,085.01/2,877.80 = 1,246.22/x
  3. Step 3: Cross multiply
    2,085.01x = 2,877.80 × 1,246.22
  4. Step 4: Simplify right side
    2,085.01x = 3,586,362.09
  5. Step 5: Solve for x
    x = 3,586,362.09/2,085.01
  6. Step 6: Final answer
    x = 1,720.07

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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.