Home / 2,858.18-4,284.50-1,298.60

Finding the Fourth Proportional to 2,858.18, 4,284.50 and 1,298.60

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Solution

The fourth proportional to 2,858.18, 4,284.50 and 1,298.60 is: 1,946.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.18 : 4,284.50 = 1,298.60 : x
  2. Step 2: Convert to fraction form
    2,858.18/4,284.50 = 1,298.60/x
  3. Step 3: Cross multiply
    2,858.18x = 4,284.50 × 1,298.60
  4. Step 4: Simplify right side
    2,858.18x = 5,563,851.70
  5. Step 5: Solve for x
    x = 5,563,851.70/2,858.18
  6. Step 6: Final answer
    x = 1,946.64

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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.