Home / 1,458.32-2,011.25-1,232.31

Finding the Fourth Proportional to 1,458.32, 2,011.25 and 1,232.31

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Solution

The fourth proportional to 1,458.32, 2,011.25 and 1,232.31 is: 1,699.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458.32 : 2,011.25 = 1,232.31 : x
  2. Step 2: Convert to fraction form
    1,458.32/2,011.25 = 1,232.31/x
  3. Step 3: Cross multiply
    1,458.32x = 2,011.25 × 1,232.31
  4. Step 4: Simplify right side
    1,458.32x = 2,478,467.27
  5. Step 5: Solve for x
    x = 2,478,467.27/1,458.32
  6. Step 6: Final answer
    x = 1,699.54

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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.