Home / 2,590.07-3,885.35-946.22

Finding the Fourth Proportional to 2,590.07, 3,885.35 and 946.22

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Solution

The fourth proportional to 2,590.07, 3,885.35 and 946.22 is: 1,419.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.07 : 3,885.35 = 946.22 : x
  2. Step 2: Convert to fraction form
    2,590.07/3,885.35 = 946.22/x
  3. Step 3: Cross multiply
    2,590.07x = 3,885.35 × 946.22
  4. Step 4: Simplify right side
    2,590.07x = 3,676,371.72
  5. Step 5: Solve for x
    x = 3,676,371.72/2,590.07
  6. Step 6: Final answer
    x = 1,419.41

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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.