Home / 2,865.42-4,297.10-1,304.10

Finding the Fourth Proportional to 2,865.42, 4,297.10 and 1,304.10

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Solution

The fourth proportional to 2,865.42, 4,297.10 and 1,304.10 is: 1,955.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.42 : 4,297.10 = 1,304.10 : x
  2. Step 2: Convert to fraction form
    2,865.42/4,297.10 = 1,304.10/x
  3. Step 3: Cross multiply
    2,865.42x = 4,297.10 × 1,304.10
  4. Step 4: Simplify right side
    2,865.42x = 5,603,848.11
  5. Step 5: Solve for x
    x = 5,603,848.11/2,865.42
  6. Step 6: Final answer
    x = 1,955.68

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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.