Home / 2,045.10-3,064.80-1,119.54

Finding the Fourth Proportional to 2,045.10, 3,064.80 and 1,119.54

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Solution

The fourth proportional to 2,045.10, 3,064.80 and 1,119.54 is: 1,677.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.10 : 3,064.80 = 1,119.54 : x
  2. Step 2: Convert to fraction form
    2,045.10/3,064.80 = 1,119.54/x
  3. Step 3: Cross multiply
    2,045.10x = 3,064.80 × 1,119.54
  4. Step 4: Simplify right side
    2,045.10x = 3,431,166.19
  5. Step 5: Solve for x
    x = 3,431,166.19/2,045.10
  6. Step 6: Final answer
    x = 1,677.75

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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.