Home / 1,719.08-2,369.84-1,270.29

Finding the Fourth Proportional to 1,719.08, 2,369.84 and 1,270.29

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Solution

The fourth proportional to 1,719.08, 2,369.84 and 1,270.29 is: 1,751.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.08 : 2,369.84 = 1,270.29 : x
  2. Step 2: Convert to fraction form
    1,719.08/2,369.84 = 1,270.29/x
  3. Step 3: Cross multiply
    1,719.08x = 2,369.84 × 1,270.29
  4. Step 4: Simplify right side
    1,719.08x = 3,010,387.07
  5. Step 5: Solve for x
    x = 3,010,387.07/1,719.08
  6. Step 6: Final answer
    x = 1,751.16

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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.