Home / 3,717.48-5,130.81-2,205.35

Finding the Fourth Proportional to 3,717.48, 5,130.81 and 2,205.35

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Solution

The fourth proportional to 3,717.48, 5,130.81 and 2,205.35 is: 3,043.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.48 : 5,130.81 = 2,205.35 : x
  2. Step 2: Convert to fraction form
    3,717.48/5,130.81 = 2,205.35/x
  3. Step 3: Cross multiply
    3,717.48x = 5,130.81 × 2,205.35
  4. Step 4: Simplify right side
    3,717.48x = 11,315,206.18
  5. Step 5: Solve for x
    x = 11,315,206.18/3,717.48
  6. Step 6: Final answer
    x = 3,043.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.