Home / 2,898.66-4,346.90-1,511.40

Finding the Fourth Proportional to 2,898.66, 4,346.90 and 1,511.40

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Solution

The fourth proportional to 2,898.66, 4,346.90 and 1,511.40 is: 2,266.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.66 : 4,346.90 = 1,511.40 : x
  2. Step 2: Convert to fraction form
    2,898.66/4,346.90 = 1,511.40/x
  3. Step 3: Cross multiply
    2,898.66x = 4,346.90 × 1,511.40
  4. Step 4: Simplify right side
    2,898.66x = 6,569,904.66
  5. Step 5: Solve for x
    x = 6,569,904.66/2,898.66
  6. Step 6: Final answer
    x = 2,266.53

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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.