Home / 3,924.07-5,415.75-2,530.87

Finding the Fourth Proportional to 3,924.07, 5,415.75 and 2,530.87

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Solution

The fourth proportional to 3,924.07, 5,415.75 and 2,530.87 is: 3,492.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.07 : 5,415.75 = 2,530.87 : x
  2. Step 2: Convert to fraction form
    3,924.07/5,415.75 = 2,530.87/x
  3. Step 3: Cross multiply
    3,924.07x = 5,415.75 × 2,530.87
  4. Step 4: Simplify right side
    3,924.07x = 13,706,559.20
  5. Step 5: Solve for x
    x = 13,706,559.20/3,924.07
  6. Step 6: Final answer
    x = 3,492.94

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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.