Home / 2,479.05-3,420.95-1,484.37

Finding the Fourth Proportional to 2,479.05, 3,420.95 and 1,484.37

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Solution

The fourth proportional to 2,479.05, 3,420.95 and 1,484.37 is: 2,048.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.05 : 3,420.95 = 1,484.37 : x
  2. Step 2: Convert to fraction form
    2,479.05/3,420.95 = 1,484.37/x
  3. Step 3: Cross multiply
    2,479.05x = 3,420.95 × 1,484.37
  4. Step 4: Simplify right side
    2,479.05x = 5,077,948.13
  5. Step 5: Solve for x
    x = 5,077,948.13/2,479.05
  6. Step 6: Final answer
    x = 2,048.34

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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.