Home / 3,746.40-5,616.90-2,103.45

Finding the Fourth Proportional to 3,746.40, 5,616.90 and 2,103.45

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Solution

The fourth proportional to 3,746.40, 5,616.90 and 2,103.45 is: 3,153.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.40 : 5,616.90 = 2,103.45 : x
  2. Step 2: Convert to fraction form
    3,746.40/5,616.90 = 2,103.45/x
  3. Step 3: Cross multiply
    3,746.40x = 5,616.90 × 2,103.45
  4. Step 4: Simplify right side
    3,746.40x = 11,814,868.31
  5. Step 5: Solve for x
    x = 11,814,868.31/3,746.40
  6. Step 6: Final answer
    x = 3,153.66

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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.