Home / 1,619.98-2,238.60-1,325.14

Finding the Fourth Proportional to 1,619.98, 2,238.60 and 1,325.14

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Solution

The fourth proportional to 1,619.98, 2,238.60 and 1,325.14 is: 1,831.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619.98 : 2,238.60 = 1,325.14 : x
  2. Step 2: Convert to fraction form
    1,619.98/2,238.60 = 1,325.14/x
  3. Step 3: Cross multiply
    1,619.98x = 2,238.60 × 1,325.14
  4. Step 4: Simplify right side
    1,619.98x = 2,966,458.40
  5. Step 5: Solve for x
    x = 2,966,458.40/1,619.98
  6. Step 6: Final answer
    x = 1,831.17

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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.