Home / 2,077.40-3,119.70-1,465.40

Finding the Fourth Proportional to 2,077.40, 3,119.70 and 1,465.40

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Solution

The fourth proportional to 2,077.40, 3,119.70 and 1,465.40 is: 2,200.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.40 : 3,119.70 = 1,465.40 : x
  2. Step 2: Convert to fraction form
    2,077.40/3,119.70 = 1,465.40/x
  3. Step 3: Cross multiply
    2,077.40x = 3,119.70 × 1,465.40
  4. Step 4: Simplify right side
    2,077.40x = 4,571,608.38
  5. Step 5: Solve for x
    x = 4,571,608.38/2,077.40
  6. Step 6: Final answer
    x = 2,200.64

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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.