Home / 2,478.46-3,421.38-1,594.75

Finding the Fourth Proportional to 2,478.46, 3,421.38 and 1,594.75

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Solution

The fourth proportional to 2,478.46, 3,421.38 and 1,594.75 is: 2,201.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,478.46 : 3,421.38 = 1,594.75 : x
  2. Step 2: Convert to fraction form
    2,478.46/3,421.38 = 1,594.75/x
  3. Step 3: Cross multiply
    2,478.46x = 3,421.38 × 1,594.75
  4. Step 4: Simplify right side
    2,478.46x = 5,456,245.76
  5. Step 5: Solve for x
    x = 5,456,245.76/2,478.46
  6. Step 6: Final answer
    x = 2,201.47

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Half scale
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Double scale
Find fourth proportional to 2,479.46, 3,422.76 and 1,595.75
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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.