Home / 3,555.13-5,327.97-1,888.90

Finding the Fourth Proportional to 3,555.13, 5,327.97 and 1,888.90

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Solution

The fourth proportional to 3,555.13, 5,327.97 and 1,888.90 is: 2,830.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.13 : 5,327.97 = 1,888.90 : x
  2. Step 2: Convert to fraction form
    3,555.13/5,327.97 = 1,888.90/x
  3. Step 3: Cross multiply
    3,555.13x = 5,327.97 × 1,888.90
  4. Step 4: Simplify right side
    3,555.13x = 10,064,002.53
  5. Step 5: Solve for x
    x = 10,064,002.53/3,555.13
  6. Step 6: Final answer
    x = 2,830.84

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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.