Home / 2,297.60-3,446.40-1,325.60

Finding the Fourth Proportional to 2,297.60, 3,446.40 and 1,325.60

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Solution

The fourth proportional to 2,297.60, 3,446.40 and 1,325.60 is: 1,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297.60 : 3,446.40 = 1,325.60 : x
  2. Step 2: Convert to fraction form
    2,297.60/3,446.40 = 1,325.60/x
  3. Step 3: Cross multiply
    2,297.60x = 3,446.40 × 1,325.60
  4. Step 4: Simplify right side
    2,297.60x = 4,568,547.84
  5. Step 5: Solve for x
    x = 4,568,547.84/2,297.60
  6. Step 6: Final answer
    x = 1,988.40

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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.