Home / 2,353.01-3,246.96-1,290.60

Finding the Fourth Proportional to 2,353.01, 3,246.96 and 1,290.60

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Solution

The fourth proportional to 2,353.01, 3,246.96 and 1,290.60 is: 1,780.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.01 : 3,246.96 = 1,290.60 : x
  2. Step 2: Convert to fraction form
    2,353.01/3,246.96 = 1,290.60/x
  3. Step 3: Cross multiply
    2,353.01x = 3,246.96 × 1,290.60
  4. Step 4: Simplify right side
    2,353.01x = 4,190,526.58
  5. Step 5: Solve for x
    x = 4,190,526.58/2,353.01
  6. Step 6: Final answer
    x = 1,780.93

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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.