Home / 2,290.44-3,431.08-1,056.16

Finding the Fourth Proportional to 2,290.44, 3,431.08 and 1,056.16

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Solution

The fourth proportional to 2,290.44, 3,431.08 and 1,056.16 is: 1,582.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.44 : 3,431.08 = 1,056.16 : x
  2. Step 2: Convert to fraction form
    2,290.44/3,431.08 = 1,056.16/x
  3. Step 3: Cross multiply
    2,290.44x = 3,431.08 × 1,056.16
  4. Step 4: Simplify right side
    2,290.44x = 3,623,769.45
  5. Step 5: Solve for x
    x = 3,623,769.45/2,290.44
  6. Step 6: Final answer
    x = 1,582.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.