Home / 3,746.94-5,619.96-1,555.08

Finding the Fourth Proportional to 3,746.94, 5,619.96 and 1,555.08

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Solution

The fourth proportional to 3,746.94, 5,619.96 and 1,555.08 is: 2,332.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.94 : 5,619.96 = 1,555.08 : x
  2. Step 2: Convert to fraction form
    3,746.94/5,619.96 = 1,555.08/x
  3. Step 3: Cross multiply
    3,746.94x = 5,619.96 × 1,555.08
  4. Step 4: Simplify right side
    3,746.94x = 8,739,487.40
  5. Step 5: Solve for x
    x = 8,739,487.40/3,746.94
  6. Step 6: Final answer
    x = 2,332.43

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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.