Home / 2,223.04-3,062.40-1,558.60

Finding the Fourth Proportional to 2,223.04, 3,062.40 and 1,558.60

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Solution

The fourth proportional to 2,223.04, 3,062.40 and 1,558.60 is: 2,147.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.04 : 3,062.40 = 1,558.60 : x
  2. Step 2: Convert to fraction form
    2,223.04/3,062.40 = 1,558.60/x
  3. Step 3: Cross multiply
    2,223.04x = 3,062.40 × 1,558.60
  4. Step 4: Simplify right side
    2,223.04x = 4,773,056.64
  5. Step 5: Solve for x
    x = 4,773,056.64/2,223.04
  6. Step 6: Final answer
    x = 2,147.09

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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.