Home / 1,556.70-2,328.30-1,393.35

Finding the Fourth Proportional to 1,556.70, 2,328.30 and 1,393.35

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Solution

The fourth proportional to 1,556.70, 2,328.30 and 1,393.35 is: 2,083.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.70 : 2,328.30 = 1,393.35 : x
  2. Step 2: Convert to fraction form
    1,556.70/2,328.30 = 1,393.35/x
  3. Step 3: Cross multiply
    1,556.70x = 2,328.30 × 1,393.35
  4. Step 4: Simplify right side
    1,556.70x = 3,244,136.81
  5. Step 5: Solve for x
    x = 3,244,136.81/1,556.70
  6. Step 6: Final answer
    x = 2,083.98

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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.