Home / 3,590.85-5,384.07-1,397.03

Finding the Fourth Proportional to 3,590.85, 5,384.07 and 1,397.03

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Solution

The fourth proportional to 3,590.85, 5,384.07 and 1,397.03 is: 2,094.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.85 : 5,384.07 = 1,397.03 : x
  2. Step 2: Convert to fraction form
    3,590.85/5,384.07 = 1,397.03/x
  3. Step 3: Cross multiply
    3,590.85x = 5,384.07 × 1,397.03
  4. Step 4: Simplify right side
    3,590.85x = 7,521,680.39
  5. Step 5: Solve for x
    x = 7,521,680.39/3,590.85
  6. Step 6: Final answer
    x = 2,094.68

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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.