Home / 2,973.40-4,454.70-1,817.80

Finding the Fourth Proportional to 2,973.40, 4,454.70 and 1,817.80

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Solution

The fourth proportional to 2,973.40, 4,454.70 and 1,817.80 is: 2,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.40 : 4,454.70 = 1,817.80 : x
  2. Step 2: Convert to fraction form
    2,973.40/4,454.70 = 1,817.80/x
  3. Step 3: Cross multiply
    2,973.40x = 4,454.70 × 1,817.80
  4. Step 4: Simplify right side
    2,973.40x = 8,097,753.66
  5. Step 5: Solve for x
    x = 8,097,753.66/2,973.40
  6. Step 6: Final answer
    x = 2,723.40

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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.