Home / 3,810.24-5,258.40-2,154.24

Finding the Fourth Proportional to 3,810.24, 5,258.40 and 2,154.24

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Solution

The fourth proportional to 3,810.24, 5,258.40 and 2,154.24 is: 2,973.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.24 : 5,258.40 = 2,154.24 : x
  2. Step 2: Convert to fraction form
    3,810.24/5,258.40 = 2,154.24/x
  3. Step 3: Cross multiply
    3,810.24x = 5,258.40 × 2,154.24
  4. Step 4: Simplify right side
    3,810.24x = 11,327,855.62
  5. Step 5: Solve for x
    x = 11,327,855.62/3,810.24
  6. Step 6: Final answer
    x = 2,973.00

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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.