Home / 2,036.10-2,809.29-1,290.92

Finding the Fourth Proportional to 2,036.10, 2,809.29 and 1,290.92

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Solution

The fourth proportional to 2,036.10, 2,809.29 and 1,290.92 is: 1,781.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.10 : 2,809.29 = 1,290.92 : x
  2. Step 2: Convert to fraction form
    2,036.10/2,809.29 = 1,290.92/x
  3. Step 3: Cross multiply
    2,036.10x = 2,809.29 × 1,290.92
  4. Step 4: Simplify right side
    2,036.10x = 3,626,554.60
  5. Step 5: Solve for x
    x = 3,626,554.60/2,036.10
  6. Step 6: Final answer
    x = 1,781.13

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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.