Home / 3,119.51-4,304.93-1,703.18

Finding the Fourth Proportional to 3,119.51, 4,304.93 and 1,703.18

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Solution

The fourth proportional to 3,119.51, 4,304.93 and 1,703.18 is: 2,350.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.51 : 4,304.93 = 1,703.18 : x
  2. Step 2: Convert to fraction form
    3,119.51/4,304.93 = 1,703.18/x
  3. Step 3: Cross multiply
    3,119.51x = 4,304.93 × 1,703.18
  4. Step 4: Simplify right side
    3,119.51x = 7,332,070.68
  5. Step 5: Solve for x
    x = 7,332,070.68/3,119.51
  6. Step 6: Final answer
    x = 2,350.39

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Half scale
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Double scale
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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.