Home / 2,948.79-4,069.68-1,770.51

Finding the Fourth Proportional to 2,948.79, 4,069.68 and 1,770.51

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Solution

The fourth proportional to 2,948.79, 4,069.68 and 1,770.51 is: 2,443.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.79 : 4,069.68 = 1,770.51 : x
  2. Step 2: Convert to fraction form
    2,948.79/4,069.68 = 1,770.51/x
  3. Step 3: Cross multiply
    2,948.79x = 4,069.68 × 1,770.51
  4. Step 4: Simplify right side
    2,948.79x = 7,205,409.14
  5. Step 5: Solve for x
    x = 7,205,409.14/2,948.79
  6. Step 6: Final answer
    x = 2,443.51

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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.