Home / 1,370.12-2,057.18-848.61

Finding the Fourth Proportional to 1,370.12, 2,057.18 and 848.61

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Solution

The fourth proportional to 1,370.12, 2,057.18 and 848.61 is: 1,274.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370.12 : 2,057.18 = 848.61 : x
  2. Step 2: Convert to fraction form
    1,370.12/2,057.18 = 848.61/x
  3. Step 3: Cross multiply
    1,370.12x = 2,057.18 × 848.61
  4. Step 4: Simplify right side
    1,370.12x = 1,745,739.28
  5. Step 5: Solve for x
    x = 1,745,739.28/1,370.12
  6. Step 6: Final answer
    x = 1,274.16

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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.