Home / 3,746.12-5,620.10-1,406.23

Finding the Fourth Proportional to 3,746.12, 5,620.10 and 1,406.23

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Solution

The fourth proportional to 3,746.12, 5,620.10 and 1,406.23 is: 2,109.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.12 : 5,620.10 = 1,406.23 : x
  2. Step 2: Convert to fraction form
    3,746.12/5,620.10 = 1,406.23/x
  3. Step 3: Cross multiply
    3,746.12x = 5,620.10 × 1,406.23
  4. Step 4: Simplify right side
    3,746.12x = 7,903,132.14
  5. Step 5: Solve for x
    x = 7,903,132.14/3,746.12
  6. Step 6: Final answer
    x = 2,109.69

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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.