Home / 2,117.36-2,920.62-1,486.94

Finding the Fourth Proportional to 2,117.36, 2,920.62 and 1,486.94

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Solution

The fourth proportional to 2,117.36, 2,920.62 and 1,486.94 is: 2,051.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.36 : 2,920.62 = 1,486.94 : x
  2. Step 2: Convert to fraction form
    2,117.36/2,920.62 = 1,486.94/x
  3. Step 3: Cross multiply
    2,117.36x = 2,920.62 × 1,486.94
  4. Step 4: Simplify right side
    2,117.36x = 4,342,786.70
  5. Step 5: Solve for x
    x = 4,342,786.70/2,117.36
  6. Step 6: Final answer
    x = 2,051.04

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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.