Home / 2,039.18-2,814.08-1,188.14

Finding the Fourth Proportional to 2,039.18, 2,814.08 and 1,188.14

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Solution

The fourth proportional to 2,039.18, 2,814.08 and 1,188.14 is: 1,639.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.18 : 2,814.08 = 1,188.14 : x
  2. Step 2: Convert to fraction form
    2,039.18/2,814.08 = 1,188.14/x
  3. Step 3: Cross multiply
    2,039.18x = 2,814.08 × 1,188.14
  4. Step 4: Simplify right side
    2,039.18x = 3,343,501.00
  5. Step 5: Solve for x
    x = 3,343,501.00/2,039.18
  6. Step 6: Final answer
    x = 1,639.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.