Home / 3,777.29-5,666.96-2,688.58

Finding the Fourth Proportional to 3,777.29, 5,666.96 and 2,688.58

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Solution

The fourth proportional to 3,777.29, 5,666.96 and 2,688.58 is: 4,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.29 : 5,666.96 = 2,688.58 : x
  2. Step 2: Convert to fraction form
    3,777.29/5,666.96 = 2,688.58/x
  3. Step 3: Cross multiply
    3,777.29x = 5,666.96 × 2,688.58
  4. Step 4: Simplify right side
    3,777.29x = 15,236,075.32
  5. Step 5: Solve for x
    x = 15,236,075.32/3,777.29
  6. Step 6: Final answer
    x = 4,033.60

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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.