Home / 1,556.82-2,148.93-1,032.75

Finding the Fourth Proportional to 1,556.82, 2,148.93 and 1,032.75

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Solution

The fourth proportional to 1,556.82, 2,148.93 and 1,032.75 is: 1,425.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.82 : 2,148.93 = 1,032.75 : x
  2. Step 2: Convert to fraction form
    1,556.82/2,148.93 = 1,032.75/x
  3. Step 3: Cross multiply
    1,556.82x = 2,148.93 × 1,032.75
  4. Step 4: Simplify right side
    1,556.82x = 2,219,307.46
  5. Step 5: Solve for x
    x = 2,219,307.46/1,556.82
  6. Step 6: Final answer
    x = 1,425.54

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1.5x scale

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.