Home / 3,783.83-5,220.25-2,347.53

Finding the Fourth Proportional to 3,783.83, 5,220.25 and 2,347.53

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Solution

The fourth proportional to 3,783.83, 5,220.25 and 2,347.53 is: 3,238.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.83 : 5,220.25 = 2,347.53 : x
  2. Step 2: Convert to fraction form
    3,783.83/5,220.25 = 2,347.53/x
  3. Step 3: Cross multiply
    3,783.83x = 5,220.25 × 2,347.53
  4. Step 4: Simplify right side
    3,783.83x = 12,254,693.48
  5. Step 5: Solve for x
    x = 12,254,693.48/3,783.83
  6. Step 6: Final answer
    x = 3,238.70

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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.