Home / 2,188.54-3,019.44-1,337.47

Finding the Fourth Proportional to 2,188.54, 3,019.44 and 1,337.47

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Solution

The fourth proportional to 2,188.54, 3,019.44 and 1,337.47 is: 1,845.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188.54 : 3,019.44 = 1,337.47 : x
  2. Step 2: Convert to fraction form
    2,188.54/3,019.44 = 1,337.47/x
  3. Step 3: Cross multiply
    2,188.54x = 3,019.44 × 1,337.47
  4. Step 4: Simplify right side
    2,188.54x = 4,038,410.42
  5. Step 5: Solve for x
    x = 4,038,410.42/2,188.54
  6. Step 6: Final answer
    x = 1,845.25

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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.