Home / 4,215.84-5,818.56-2,448.90

Finding the Fourth Proportional to 4,215.84, 5,818.56 and 2,448.90

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Solution

The fourth proportional to 4,215.84, 5,818.56 and 2,448.90 is: 3,379.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.84 : 5,818.56 = 2,448.90 : x
  2. Step 2: Convert to fraction form
    4,215.84/5,818.56 = 2,448.90/x
  3. Step 3: Cross multiply
    4,215.84x = 5,818.56 × 2,448.90
  4. Step 4: Simplify right side
    4,215.84x = 14,249,071.58
  5. Step 5: Solve for x
    x = 14,249,071.58/4,215.84
  6. Step 6: Final answer
    x = 3,379.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.