Home / 4,130.51-5,698.46-2,638.04

Finding the Fourth Proportional to 4,130.51, 5,698.46 and 2,638.04

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Solution

The fourth proportional to 4,130.51, 5,698.46 and 2,638.04 is: 3,639.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.51 : 5,698.46 = 2,638.04 : x
  2. Step 2: Convert to fraction form
    4,130.51/5,698.46 = 2,638.04/x
  3. Step 3: Cross multiply
    4,130.51x = 5,698.46 × 2,638.04
  4. Step 4: Simplify right side
    4,130.51x = 15,032,752.23
  5. Step 5: Solve for x
    x = 15,032,752.23/4,130.51
  6. Step 6: Final answer
    x = 3,639.44

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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.