Home / 3,727.61-5,591.40-1,779.35

Finding the Fourth Proportional to 3,727.61, 5,591.40 and 1,779.35

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Solution

The fourth proportional to 3,727.61, 5,591.40 and 1,779.35 is: 2,669.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.61 : 5,591.40 = 1,779.35 : x
  2. Step 2: Convert to fraction form
    3,727.61/5,591.40 = 1,779.35/x
  3. Step 3: Cross multiply
    3,727.61x = 5,591.40 × 1,779.35
  4. Step 4: Simplify right side
    3,727.61x = 9,949,029.63
  5. Step 5: Solve for x
    x = 9,949,029.63/3,727.61
  6. Step 6: Final answer
    x = 2,669.01

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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.