Home / 2,848.99-3,930.55-1,669.63

Finding the Fourth Proportional to 2,848.99, 3,930.55 and 1,669.63

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Solution

The fourth proportional to 2,848.99, 3,930.55 and 1,669.63 is: 2,303.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.99 : 3,930.55 = 1,669.63 : x
  2. Step 2: Convert to fraction form
    2,848.99/3,930.55 = 1,669.63/x
  3. Step 3: Cross multiply
    2,848.99x = 3,930.55 × 1,669.63
  4. Step 4: Simplify right side
    2,848.99x = 6,562,564.20
  5. Step 5: Solve for x
    x = 6,562,564.20/2,848.99
  6. Step 6: Final answer
    x = 2,303.47

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1.5x scale

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.