Home / 3,113.42-4,670.33-1,265.40

Finding the Fourth Proportional to 3,113.42, 4,670.33 and 1,265.40

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Solution

The fourth proportional to 3,113.42, 4,670.33 and 1,265.40 is: 1,898.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.42 : 4,670.33 = 1,265.40 : x
  2. Step 2: Convert to fraction form
    3,113.42/4,670.33 = 1,265.40/x
  3. Step 3: Cross multiply
    3,113.42x = 4,670.33 × 1,265.40
  4. Step 4: Simplify right side
    3,113.42x = 5,909,829.26
  5. Step 5: Solve for x
    x = 5,909,829.26/3,113.42
  6. Step 6: Final answer
    x = 1,898.18

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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.