Home / 2,148.87-2,965.69-1,310.07

Finding the Fourth Proportional to 2,148.87, 2,965.69 and 1,310.07

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Solution

The fourth proportional to 2,148.87, 2,965.69 and 1,310.07 is: 1,808.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.87 : 2,965.69 = 1,310.07 : x
  2. Step 2: Convert to fraction form
    2,148.87/2,965.69 = 1,310.07/x
  3. Step 3: Cross multiply
    2,148.87x = 2,965.69 × 1,310.07
  4. Step 4: Simplify right side
    2,148.87x = 3,885,246.67
  5. Step 5: Solve for x
    x = 3,885,246.67/2,148.87
  6. Step 6: Final answer
    x = 1,808.05

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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.