Home / 3,016.53-4,162.93-1,690.19

Finding the Fourth Proportional to 3,016.53, 4,162.93 and 1,690.19

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Solution

The fourth proportional to 3,016.53, 4,162.93 and 1,690.19 is: 2,332.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.53 : 4,162.93 = 1,690.19 : x
  2. Step 2: Convert to fraction form
    3,016.53/4,162.93 = 1,690.19/x
  3. Step 3: Cross multiply
    3,016.53x = 4,162.93 × 1,690.19
  4. Step 4: Simplify right side
    3,016.53x = 7,036,134.21
  5. Step 5: Solve for x
    x = 7,036,134.21/3,016.53
  6. Step 6: Final answer
    x = 2,332.53

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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.