Home / 3,681.63-5,522.67-1,490.40

Finding the Fourth Proportional to 3,681.63, 5,522.67 and 1,490.40

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Solution

The fourth proportional to 3,681.63, 5,522.67 and 1,490.40 is: 2,235.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.63 : 5,522.67 = 1,490.40 : x
  2. Step 2: Convert to fraction form
    3,681.63/5,522.67 = 1,490.40/x
  3. Step 3: Cross multiply
    3,681.63x = 5,522.67 × 1,490.40
  4. Step 4: Simplify right side
    3,681.63x = 8,230,987.37
  5. Step 5: Solve for x
    x = 8,230,987.37/3,681.63
  6. Step 6: Final answer
    x = 2,235.69

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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.