Home / 1,719.10-2,371.54-1,246.22

Finding the Fourth Proportional to 1,719.10, 2,371.54 and 1,246.22

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Solution

The fourth proportional to 1,719.10, 2,371.54 and 1,246.22 is: 1,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.10 : 2,371.54 = 1,246.22 : x
  2. Step 2: Convert to fraction form
    1,719.10/2,371.54 = 1,246.22/x
  3. Step 3: Cross multiply
    1,719.10x = 2,371.54 × 1,246.22
  4. Step 4: Simplify right side
    1,719.10x = 2,955,460.58
  5. Step 5: Solve for x
    x = 2,955,460.58/1,719.10
  6. Step 6: Final answer
    x = 1,719.19

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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.