Home / 4,281.48-6,419.94-1,971

Finding the Fourth Proportional to 4,281.48, 6,419.94 and 1,971

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Solution

The fourth proportional to 4,281.48, 6,419.94 and 1,971 is: 2,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.48 : 6,419.94 = 1,971 : x
  2. Step 2: Convert to fraction form
    4,281.48/6,419.94 = 1,971/x
  3. Step 3: Cross multiply
    4,281.48x = 6,419.94 × 1,971
  4. Step 4: Simplify right side
    4,281.48x = 12,653,701.74
  5. Step 5: Solve for x
    x = 12,653,701.74/4,281.48
  6. Step 6: Final answer
    x = 2,955.45

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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.