Home / 1,619.20-2,417.09-1,511.02

Finding the Fourth Proportional to 1,619.20, 2,417.09 and 1,511.02

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Solution

The fourth proportional to 1,619.20, 2,417.09 and 1,511.02 is: 2,255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619.20 : 2,417.09 = 1,511.02 : x
  2. Step 2: Convert to fraction form
    1,619.20/2,417.09 = 1,511.02/x
  3. Step 3: Cross multiply
    1,619.20x = 2,417.09 × 1,511.02
  4. Step 4: Simplify right side
    1,619.20x = 3,652,271.33
  5. Step 5: Solve for x
    x = 3,652,271.33/1,619.20
  6. Step 6: Final answer
    x = 2,255.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.