Home / 1,623.74-2,239.28-1,064.00

Finding the Fourth Proportional to 1,623.74, 2,239.28 and 1,064.00

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Solution

The fourth proportional to 1,623.74, 2,239.28 and 1,064.00 is: 1,467.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.74 : 2,239.28 = 1,064.00 : x
  2. Step 2: Convert to fraction form
    1,623.74/2,239.28 = 1,064.00/x
  3. Step 3: Cross multiply
    1,623.74x = 2,239.28 × 1,064.00
  4. Step 4: Simplify right side
    1,623.74x = 2,382,593.78
  5. Step 5: Solve for x
    x = 2,382,593.78/1,623.74
  6. Step 6: Final answer
    x = 1,467.35

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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.