Home / 2,091.23-2,885.19-1,207.01

Finding the Fourth Proportional to 2,091.23, 2,885.19 and 1,207.01

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Solution

The fourth proportional to 2,091.23, 2,885.19 and 1,207.01 is: 1,665.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091.23 : 2,885.19 = 1,207.01 : x
  2. Step 2: Convert to fraction form
    2,091.23/2,885.19 = 1,207.01/x
  3. Step 3: Cross multiply
    2,091.23x = 2,885.19 × 1,207.01
  4. Step 4: Simplify right side
    2,091.23x = 3,482,453.18
  5. Step 5: Solve for x
    x = 3,482,453.18/2,091.23
  6. Step 6: Final answer
    x = 1,665.27

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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.