Home / 4,328.90-5,973.72-2,736.40

Finding the Fourth Proportional to 4,328.90, 5,973.72 and 2,736.40

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Solution

The fourth proportional to 4,328.90, 5,973.72 and 2,736.40 is: 3,776.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328.90 : 5,973.72 = 2,736.40 : x
  2. Step 2: Convert to fraction form
    4,328.90/5,973.72 = 2,736.40/x
  3. Step 3: Cross multiply
    4,328.90x = 5,973.72 × 2,736.40
  4. Step 4: Simplify right side
    4,328.90x = 16,346,487.41
  5. Step 5: Solve for x
    x = 16,346,487.41/4,328.90
  6. Step 6: Final answer
    x = 3,776.13

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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.