Home / 2,830.30-4,246.65-1,368.70

Finding the Fourth Proportional to 2,830.30, 4,246.65 and 1,368.70

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Solution

The fourth proportional to 2,830.30, 4,246.65 and 1,368.70 is: 2,053.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.30 : 4,246.65 = 1,368.70 : x
  2. Step 2: Convert to fraction form
    2,830.30/4,246.65 = 1,368.70/x
  3. Step 3: Cross multiply
    2,830.30x = 4,246.65 × 1,368.70
  4. Step 4: Simplify right side
    2,830.30x = 5,812,389.86
  5. Step 5: Solve for x
    x = 5,812,389.86/2,830.30
  6. Step 6: Final answer
    x = 2,053.63

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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.