Home / 2,905.55-4,350.58-1,671.11

Finding the Fourth Proportional to 2,905.55, 4,350.58 and 1,671.11

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Solution

The fourth proportional to 2,905.55, 4,350.58 and 1,671.11 is: 2,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.55 : 4,350.58 = 1,671.11 : x
  2. Step 2: Convert to fraction form
    2,905.55/4,350.58 = 1,671.11/x
  3. Step 3: Cross multiply
    2,905.55x = 4,350.58 × 1,671.11
  4. Step 4: Simplify right side
    2,905.55x = 7,270,267.64
  5. Step 5: Solve for x
    x = 7,270,267.64/2,905.55
  6. Step 6: Final answer
    x = 2,502.20

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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.