Home / 2,705.42-4,055.09-1,770.16

Finding the Fourth Proportional to 2,705.42, 4,055.09 and 1,770.16

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Solution

The fourth proportional to 2,705.42, 4,055.09 and 1,770.16 is: 2,653.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,705.42 : 4,055.09 = 1,770.16 : x
  2. Step 2: Convert to fraction form
    2,705.42/4,055.09 = 1,770.16/x
  3. Step 3: Cross multiply
    2,705.42x = 4,055.09 × 1,770.16
  4. Step 4: Simplify right side
    2,705.42x = 7,178,132.51
  5. Step 5: Solve for x
    x = 7,178,132.51/2,705.42
  6. Step 6: Final answer
    x = 2,653.25

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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.