Home / 2,074.20-2,862.36-1,130

Finding the Fourth Proportional to 2,074.20, 2,862.36 and 1,130

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Solution

The fourth proportional to 2,074.20, 2,862.36 and 1,130 is: 1,559.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.20 : 2,862.36 = 1,130 : x
  2. Step 2: Convert to fraction form
    2,074.20/2,862.36 = 1,130/x
  3. Step 3: Cross multiply
    2,074.20x = 2,862.36 × 1,130
  4. Step 4: Simplify right side
    2,074.20x = 3,234,466.80
  5. Step 5: Solve for x
    x = 3,234,466.80/2,074.20
  6. Step 6: Final answer
    x = 1,559.38

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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.