Home / 2,848.08-3,930.36-1,668.84

Finding the Fourth Proportional to 2,848.08, 3,930.36 and 1,668.84

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Solution

The fourth proportional to 2,848.08, 3,930.36 and 1,668.84 is: 2,303.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.08 : 3,930.36 = 1,668.84 : x
  2. Step 2: Convert to fraction form
    2,848.08/3,930.36 = 1,668.84/x
  3. Step 3: Cross multiply
    2,848.08x = 3,930.36 × 1,668.84
  4. Step 4: Simplify right side
    2,848.08x = 6,559,141.98
  5. Step 5: Solve for x
    x = 6,559,141.98/2,848.08
  6. Step 6: Final answer
    x = 2,303.00

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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.