Home / 1,820.36-2,514.84-1,470.44

Finding the Fourth Proportional to 1,820.36, 2,514.84 and 1,470.44

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Solution

The fourth proportional to 1,820.36, 2,514.84 and 1,470.44 is: 2,031.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820.36 : 2,514.84 = 1,470.44 : x
  2. Step 2: Convert to fraction form
    1,820.36/2,514.84 = 1,470.44/x
  3. Step 3: Cross multiply
    1,820.36x = 2,514.84 × 1,470.44
  4. Step 4: Simplify right side
    1,820.36x = 3,697,921.33
  5. Step 5: Solve for x
    x = 3,697,921.33/1,820.36
  6. Step 6: Final answer
    x = 2,031.42

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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.