Home / 2,060.07-3,089.70-1,319.34

Finding the Fourth Proportional to 2,060.07, 3,089.70 and 1,319.34

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Solution

The fourth proportional to 2,060.07, 3,089.70 and 1,319.34 is: 1,978.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,060.07 : 3,089.70 = 1,319.34 : x
  2. Step 2: Convert to fraction form
    2,060.07/3,089.70 = 1,319.34/x
  3. Step 3: Cross multiply
    2,060.07x = 3,089.70 × 1,319.34
  4. Step 4: Simplify right side
    2,060.07x = 4,076,364.80
  5. Step 5: Solve for x
    x = 4,076,364.80/2,060.07
  6. Step 6: Final answer
    x = 1,978.75

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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.