Home / 3,484.03-5,225.91-1,291.78

Finding the Fourth Proportional to 3,484.03, 5,225.91 and 1,291.78

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Solution

The fourth proportional to 3,484.03, 5,225.91 and 1,291.78 is: 1,937.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.03 : 5,225.91 = 1,291.78 : x
  2. Step 2: Convert to fraction form
    3,484.03/5,225.91 = 1,291.78/x
  3. Step 3: Cross multiply
    3,484.03x = 5,225.91 × 1,291.78
  4. Step 4: Simplify right side
    3,484.03x = 6,750,726.02
  5. Step 5: Solve for x
    x = 6,750,726.02/3,484.03
  6. Step 6: Final answer
    x = 1,937.62

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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.