Home / 2,823.40-4,235.10-974.35

Finding the Fourth Proportional to 2,823.40, 4,235.10 and 974.35

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Solution

The fourth proportional to 2,823.40, 4,235.10 and 974.35 is: 1,461.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.40 : 4,235.10 = 974.35 : x
  2. Step 2: Convert to fraction form
    2,823.40/4,235.10 = 974.35/x
  3. Step 3: Cross multiply
    2,823.40x = 4,235.10 × 974.35
  4. Step 4: Simplify right side
    2,823.40x = 4,126,469.69
  5. Step 5: Solve for x
    x = 4,126,469.69/2,823.40
  6. Step 6: Final answer
    x = 1,461.53

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Similar ratio
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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.