Home / 4,001.80-6,002.70-1,404.40

Finding the Fourth Proportional to 4,001.80, 6,002.70 and 1,404.40

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Solution

The fourth proportional to 4,001.80, 6,002.70 and 1,404.40 is: 2,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.80 : 6,002.70 = 1,404.40 : x
  2. Step 2: Convert to fraction form
    4,001.80/6,002.70 = 1,404.40/x
  3. Step 3: Cross multiply
    4,001.80x = 6,002.70 × 1,404.40
  4. Step 4: Simplify right side
    4,001.80x = 8,430,191.88
  5. Step 5: Solve for x
    x = 8,430,191.88/4,001.80
  6. Step 6: Final answer
    x = 2,106.60

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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.