Home / 2,135.03-2,947.21-1,348.93

Finding the Fourth Proportional to 2,135.03, 2,947.21 and 1,348.93

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Solution

The fourth proportional to 2,135.03, 2,947.21 and 1,348.93 is: 1,862.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.03 : 2,947.21 = 1,348.93 : x
  2. Step 2: Convert to fraction form
    2,135.03/2,947.21 = 1,348.93/x
  3. Step 3: Cross multiply
    2,135.03x = 2,947.21 × 1,348.93
  4. Step 4: Simplify right side
    2,135.03x = 3,975,579.99
  5. Step 5: Solve for x
    x = 3,975,579.99/2,135.03
  6. Step 6: Final answer
    x = 1,862.07

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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.