Home / 2,830.34-4,246.08-981.53

Finding the Fourth Proportional to 2,830.34, 4,246.08 and 981.53

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Solution

The fourth proportional to 2,830.34, 4,246.08 and 981.53 is: 1,472.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.34 : 4,246.08 = 981.53 : x
  2. Step 2: Convert to fraction form
    2,830.34/4,246.08 = 981.53/x
  3. Step 3: Cross multiply
    2,830.34x = 4,246.08 × 981.53
  4. Step 4: Simplify right side
    2,830.34x = 4,167,658.79
  5. Step 5: Solve for x
    x = 4,167,658.79/2,830.34
  6. Step 6: Final answer
    x = 1,472.49

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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.