Home / 2,079.09-2,865.18-1,488.60

Finding the Fourth Proportional to 2,079.09, 2,865.18 and 1,488.60

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Solution

The fourth proportional to 2,079.09, 2,865.18 and 1,488.60 is: 2,051.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.09 : 2,865.18 = 1,488.60 : x
  2. Step 2: Convert to fraction form
    2,079.09/2,865.18 = 1,488.60/x
  3. Step 3: Cross multiply
    2,079.09x = 2,865.18 × 1,488.60
  4. Step 4: Simplify right side
    2,079.09x = 4,265,106.95
  5. Step 5: Solve for x
    x = 4,265,106.95/2,079.09
  6. Step 6: Final answer
    x = 2,051.43

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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.