Home / 1,514.98-2,267.60-783.55

Finding the Fourth Proportional to 1,514.98, 2,267.60 and 783.55

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Solution

The fourth proportional to 1,514.98, 2,267.60 and 783.55 is: 1,172.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.98 : 2,267.60 = 783.55 : x
  2. Step 2: Convert to fraction form
    1,514.98/2,267.60 = 783.55/x
  3. Step 3: Cross multiply
    1,514.98x = 2,267.60 × 783.55
  4. Step 4: Simplify right side
    1,514.98x = 1,776,777.98
  5. Step 5: Solve for x
    x = 1,776,777.98/1,514.98
  6. Step 6: Final answer
    x = 1,172.81

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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.