Home / 2,479.07-3,420.51-1,484.75

Finding the Fourth Proportional to 2,479.07, 3,420.51 and 1,484.75

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Solution

The fourth proportional to 2,479.07, 3,420.51 and 1,484.75 is: 2,048.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.07 : 3,420.51 = 1,484.75 : x
  2. Step 2: Convert to fraction form
    2,479.07/3,420.51 = 1,484.75/x
  3. Step 3: Cross multiply
    2,479.07x = 3,420.51 × 1,484.75
  4. Step 4: Simplify right side
    2,479.07x = 5,078,602.22
  5. Step 5: Solve for x
    x = 5,078,602.22/2,479.07
  6. Step 6: Final answer
    x = 2,048.59

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Half scale
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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.