Home / 3,746.32-5,619.72-1,555.22

Finding the Fourth Proportional to 3,746.32, 5,619.72 and 1,555.22

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Solution

The fourth proportional to 3,746.32, 5,619.72 and 1,555.22 is: 2,332.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.32 : 5,619.72 = 1,555.22 : x
  2. Step 2: Convert to fraction form
    3,746.32/5,619.72 = 1,555.22/x
  3. Step 3: Cross multiply
    3,746.32x = 5,619.72 × 1,555.22
  4. Step 4: Simplify right side
    3,746.32x = 8,739,900.94
  5. Step 5: Solve for x
    x = 8,739,900.94/3,746.32
  6. Step 6: Final answer
    x = 2,332.93

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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.