Home / 1,370.01-1,886.26-1,195.29

Finding the Fourth Proportional to 1,370.01, 1,886.26 and 1,195.29

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Solution

The fourth proportional to 1,370.01, 1,886.26 and 1,195.29 is: 1,645.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370.01 : 1,886.26 = 1,195.29 : x
  2. Step 2: Convert to fraction form
    1,370.01/1,886.26 = 1,195.29/x
  3. Step 3: Cross multiply
    1,370.01x = 1,886.26 × 1,195.29
  4. Step 4: Simplify right side
    1,370.01x = 2,254,627.72
  5. Step 5: Solve for x
    x = 2,254,627.72/1,370.01
  6. Step 6: Final answer
    x = 1,645.70

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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.