Home / 2,948.40-4,068.83-1,622.16

Finding the Fourth Proportional to 2,948.40, 4,068.83 and 1,622.16

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Solution

The fourth proportional to 2,948.40, 4,068.83 and 1,622.16 is: 2,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.40 : 4,068.83 = 1,622.16 : x
  2. Step 2: Convert to fraction form
    2,948.40/4,068.83 = 1,622.16/x
  3. Step 3: Cross multiply
    2,948.40x = 4,068.83 × 1,622.16
  4. Step 4: Simplify right side
    2,948.40x = 6,600,297.33
  5. Step 5: Solve for x
    x = 6,600,297.33/2,948.40
  6. Step 6: Final answer
    x = 2,238.60

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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.