Home / 2,320.01-3,479.40-859.58

Finding the Fourth Proportional to 2,320.01, 3,479.40 and 859.58

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Solution

The fourth proportional to 2,320.01, 3,479.40 and 859.58 is: 1,289.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.01 : 3,479.40 = 859.58 : x
  2. Step 2: Convert to fraction form
    2,320.01/3,479.40 = 859.58/x
  3. Step 3: Cross multiply
    2,320.01x = 3,479.40 × 859.58
  4. Step 4: Simplify right side
    2,320.01x = 2,990,805.26
  5. Step 5: Solve for x
    x = 2,990,805.26/2,320.01
  6. Step 6: Final answer
    x = 1,289.14

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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.