Home / 1,491.07-2,058.05-1,019.16

Finding the Fourth Proportional to 1,491.07, 2,058.05 and 1,019.16

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Solution

The fourth proportional to 1,491.07, 2,058.05 and 1,019.16 is: 1,406.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.07 : 2,058.05 = 1,019.16 : x
  2. Step 2: Convert to fraction form
    1,491.07/2,058.05 = 1,019.16/x
  3. Step 3: Cross multiply
    1,491.07x = 2,058.05 × 1,019.16
  4. Step 4: Simplify right side
    1,491.07x = 2,097,471.95
  5. Step 5: Solve for x
    x = 2,097,471.95/1,491.07
  6. Step 6: Final answer
    x = 1,406.69

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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.