Home / 2,029.59-2,800.40-1,190.34

Finding the Fourth Proportional to 2,029.59, 2,800.40 and 1,190.34

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Solution

The fourth proportional to 2,029.59, 2,800.40 and 1,190.34 is: 1,642.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.59 : 2,800.40 = 1,190.34 : x
  2. Step 2: Convert to fraction form
    2,029.59/2,800.40 = 1,190.34/x
  3. Step 3: Cross multiply
    2,029.59x = 2,800.40 × 1,190.34
  4. Step 4: Simplify right side
    2,029.59x = 3,333,422.18
  5. Step 5: Solve for x
    x = 3,333,422.18/2,029.59
  6. Step 6: Final answer
    x = 1,642.41

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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.