Home / 1,574.36-2,362.31-1,115.09

Finding the Fourth Proportional to 1,574.36, 2,362.31 and 1,115.09

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Solution

The fourth proportional to 1,574.36, 2,362.31 and 1,115.09 is: 1,673.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.36 : 2,362.31 = 1,115.09 : x
  2. Step 2: Convert to fraction form
    1,574.36/2,362.31 = 1,115.09/x
  3. Step 3: Cross multiply
    1,574.36x = 2,362.31 × 1,115.09
  4. Step 4: Simplify right side
    1,574.36x = 2,634,188.26
  5. Step 5: Solve for x
    x = 2,634,188.26/1,574.36
  6. Step 6: Final answer
    x = 1,673.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.