Home / 2,421.74-3,631.05-1,104.14

Finding the Fourth Proportional to 2,421.74, 3,631.05 and 1,104.14

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Solution

The fourth proportional to 2,421.74, 3,631.05 and 1,104.14 is: 1,655.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.74 : 3,631.05 = 1,104.14 : x
  2. Step 2: Convert to fraction form
    2,421.74/3,631.05 = 1,104.14/x
  3. Step 3: Cross multiply
    2,421.74x = 3,631.05 × 1,104.14
  4. Step 4: Simplify right side
    2,421.74x = 4,009,196.62
  5. Step 5: Solve for x
    x = 4,009,196.62/2,421.74
  6. Step 6: Final answer
    x = 1,655.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.