Home / 3,430.01-5,136.30-2,331.02

Finding the Fourth Proportional to 3,430.01, 5,136.30 and 2,331.02

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Solution

The fourth proportional to 3,430.01, 5,136.30 and 2,331.02 is: 3,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.01 : 5,136.30 = 2,331.02 : x
  2. Step 2: Convert to fraction form
    3,430.01/5,136.30 = 2,331.02/x
  3. Step 3: Cross multiply
    3,430.01x = 5,136.30 × 2,331.02
  4. Step 4: Simplify right side
    3,430.01x = 11,972,792.34
  5. Step 5: Solve for x
    x = 11,972,792.34/3,430.01
  6. Step 6: Final answer
    x = 3,490.60

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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.