Home / 2,029.80-3,040.65-1,056.45

Finding the Fourth Proportional to 2,029.80, 3,040.65 and 1,056.45

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Solution

The fourth proportional to 2,029.80, 3,040.65 and 1,056.45 is: 1,582.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.80 : 3,040.65 = 1,056.45 : x
  2. Step 2: Convert to fraction form
    2,029.80/3,040.65 = 1,056.45/x
  3. Step 3: Cross multiply
    2,029.80x = 3,040.65 × 1,056.45
  4. Step 4: Simplify right side
    2,029.80x = 3,212,294.69
  5. Step 5: Solve for x
    x = 3,212,294.69/2,029.80
  6. Step 6: Final answer
    x = 1,582.57

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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.