Home / 1,370.24-2,056.12-850.52

Finding the Fourth Proportional to 1,370.24, 2,056.12 and 850.52

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Solution

The fourth proportional to 1,370.24, 2,056.12 and 850.52 is: 1,276.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370.24 : 2,056.12 = 850.52 : x
  2. Step 2: Convert to fraction form
    1,370.24/2,056.12 = 850.52/x
  3. Step 3: Cross multiply
    1,370.24x = 2,056.12 × 850.52
  4. Step 4: Simplify right side
    1,370.24x = 1,748,771.18
  5. Step 5: Solve for x
    x = 1,748,771.18/1,370.24
  6. Step 6: Final answer
    x = 1,276.25

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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.