Home / 2,520.13-3,772.10-1,347.19

Finding the Fourth Proportional to 2,520.13, 3,772.10 and 1,347.19

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Solution

The fourth proportional to 2,520.13, 3,772.10 and 1,347.19 is: 2,016.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520.13 : 3,772.10 = 1,347.19 : x
  2. Step 2: Convert to fraction form
    2,520.13/3,772.10 = 1,347.19/x
  3. Step 3: Cross multiply
    2,520.13x = 3,772.10 × 1,347.19
  4. Step 4: Simplify right side
    2,520.13x = 5,081,735.40
  5. Step 5: Solve for x
    x = 5,081,735.40/2,520.13
  6. Step 6: Final answer
    x = 2,016.46

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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.