Home / 2,484.41-3,427.52-1,421.61

Finding the Fourth Proportional to 2,484.41, 3,427.52 and 1,421.61

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Solution

The fourth proportional to 2,484.41, 3,427.52 and 1,421.61 is: 1,961.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,484.41 : 3,427.52 = 1,421.61 : x
  2. Step 2: Convert to fraction form
    2,484.41/3,427.52 = 1,421.61/x
  3. Step 3: Cross multiply
    2,484.41x = 3,427.52 × 1,421.61
  4. Step 4: Simplify right side
    2,484.41x = 4,872,596.71
  5. Step 5: Solve for x
    x = 4,872,596.71/2,484.41
  6. Step 6: Final answer
    x = 1,961.27

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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.