Home / 2,297.79-3,170.45-1,302.71

Finding the Fourth Proportional to 2,297.79, 3,170.45 and 1,302.71

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Solution

The fourth proportional to 2,297.79, 3,170.45 and 1,302.71 is: 1,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297.79 : 3,170.45 = 1,302.71 : x
  2. Step 2: Convert to fraction form
    2,297.79/3,170.45 = 1,302.71/x
  3. Step 3: Cross multiply
    2,297.79x = 3,170.45 × 1,302.71
  4. Step 4: Simplify right side
    2,297.79x = 4,130,164.32
  5. Step 5: Solve for x
    x = 4,130,164.32/2,297.79
  6. Step 6: Final answer
    x = 1,797.45

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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.