Home / 3,810.51-5,258.66-2,485.35

Finding the Fourth Proportional to 3,810.51, 5,258.66 and 2,485.35

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Solution

The fourth proportional to 3,810.51, 5,258.66 and 2,485.35 is: 3,429.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.51 : 5,258.66 = 2,485.35 : x
  2. Step 2: Convert to fraction form
    3,810.51/5,258.66 = 2,485.35/x
  3. Step 3: Cross multiply
    3,810.51x = 5,258.66 × 2,485.35
  4. Step 4: Simplify right side
    3,810.51x = 13,069,598.20
  5. Step 5: Solve for x
    x = 13,069,598.20/3,810.51
  6. Step 6: Final answer
    x = 3,429.88

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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.