Home / 4,078.81-5,628.25-2,484.87

Finding the Fourth Proportional to 4,078.81, 5,628.25 and 2,484.87

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Solution

The fourth proportional to 4,078.81, 5,628.25 and 2,484.87 is: 3,428.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.81 : 5,628.25 = 2,484.87 : x
  2. Step 2: Convert to fraction form
    4,078.81/5,628.25 = 2,484.87/x
  3. Step 3: Cross multiply
    4,078.81x = 5,628.25 × 2,484.87
  4. Step 4: Simplify right side
    4,078.81x = 13,985,492.08
  5. Step 5: Solve for x
    x = 13,985,492.08/4,078.81
  6. Step 6: Final answer
    x = 3,428.82

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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.