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Finding the Fourth Proportional to 2,202.10, 3,303.48 and 740.86

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Solution

The fourth proportional to 2,202.10, 3,303.48 and 740.86 is: 1,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.10 : 3,303.48 = 740.86 : x
  2. Step 2: Convert to fraction form
    2,202.10/3,303.48 = 740.86/x
  3. Step 3: Cross multiply
    2,202.10x = 3,303.48 × 740.86
  4. Step 4: Simplify right side
    2,202.10x = 2,447,416.19
  5. Step 5: Solve for x
    x = 2,447,416.19/2,202.10
  6. Step 6: Final answer
    x = 1,111.40

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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.