Home / 3,973.29-5,484.21-2,480.30

Finding the Fourth Proportional to 3,973.29, 5,484.21 and 2,480.30

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Solution

The fourth proportional to 3,973.29, 5,484.21 and 2,480.30 is: 3,423.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.29 : 5,484.21 = 2,480.30 : x
  2. Step 2: Convert to fraction form
    3,973.29/5,484.21 = 2,480.30/x
  3. Step 3: Cross multiply
    3,973.29x = 5,484.21 × 2,480.30
  4. Step 4: Simplify right side
    3,973.29x = 13,602,500.76
  5. Step 5: Solve for x
    x = 13,602,500.76/3,973.29
  6. Step 6: Final answer
    x = 3,423.49

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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.