Home / 1,622.04-2,219.12-1,615.08

Finding the Fourth Proportional to 1,622.04, 2,219.12 and 1,615.08

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Solution

The fourth proportional to 1,622.04, 2,219.12 and 1,615.08 is: 2,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.04 : 2,219.12 = 1,615.08 : x
  2. Step 2: Convert to fraction form
    1,622.04/2,219.12 = 1,615.08/x
  3. Step 3: Cross multiply
    1,622.04x = 2,219.12 × 1,615.08
  4. Step 4: Simplify right side
    1,622.04x = 3,584,056.33
  5. Step 5: Solve for x
    x = 3,584,056.33/1,622.04
  6. Step 6: Final answer
    x = 2,209.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.