Home / 4,237.84-6,355.52-1,640.18

Finding the Fourth Proportional to 4,237.84, 6,355.52 and 1,640.18

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Solution

The fourth proportional to 4,237.84, 6,355.52 and 1,640.18 is: 2,459.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,237.84 : 6,355.52 = 1,640.18 : x
  2. Step 2: Convert to fraction form
    4,237.84/6,355.52 = 1,640.18/x
  3. Step 3: Cross multiply
    4,237.84x = 6,355.52 × 1,640.18
  4. Step 4: Simplify right side
    4,237.84x = 10,424,196.79
  5. Step 5: Solve for x
    x = 10,424,196.79/4,237.84
  6. Step 6: Final answer
    x = 2,459.79

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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.