Home / 2,803.60-4,205.40-1,830.52

Finding the Fourth Proportional to 2,803.60, 4,205.40 and 1,830.52

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Solution

The fourth proportional to 2,803.60, 4,205.40 and 1,830.52 is: 2,745.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.60 : 4,205.40 = 1,830.52 : x
  2. Step 2: Convert to fraction form
    2,803.60/4,205.40 = 1,830.52/x
  3. Step 3: Cross multiply
    2,803.60x = 4,205.40 × 1,830.52
  4. Step 4: Simplify right side
    2,803.60x = 7,698,068.81
  5. Step 5: Solve for x
    x = 7,698,068.81/2,803.60
  6. Step 6: Final answer
    x = 2,745.78

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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.