Home / 4,070.39-6,101.46-1,987.34

Finding the Fourth Proportional to 4,070.39, 6,101.46 and 1,987.34

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Solution

The fourth proportional to 4,070.39, 6,101.46 and 1,987.34 is: 2,978.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.39 : 6,101.46 = 1,987.34 : x
  2. Step 2: Convert to fraction form
    4,070.39/6,101.46 = 1,987.34/x
  3. Step 3: Cross multiply
    4,070.39x = 6,101.46 × 1,987.34
  4. Step 4: Simplify right side
    4,070.39x = 12,125,645.01
  5. Step 5: Solve for x
    x = 12,125,645.01/4,070.39
  6. Step 6: Final answer
    x = 2,978.99

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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.