Home / 1,568.58-2,164.19-1,235.94

Finding the Fourth Proportional to 1,568.58, 2,164.19 and 1,235.94

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Solution

The fourth proportional to 1,568.58, 2,164.19 and 1,235.94 is: 1,705.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.58 : 2,164.19 = 1,235.94 : x
  2. Step 2: Convert to fraction form
    1,568.58/2,164.19 = 1,235.94/x
  3. Step 3: Cross multiply
    1,568.58x = 2,164.19 × 1,235.94
  4. Step 4: Simplify right side
    1,568.58x = 2,674,802.81
  5. Step 5: Solve for x
    x = 2,674,802.81/1,568.58
  6. Step 6: Final answer
    x = 1,705.24

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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.