Home / 3,050.45-4,209.59-1,653.20

Finding the Fourth Proportional to 3,050.45, 4,209.59 and 1,653.20

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Solution

The fourth proportional to 3,050.45, 4,209.59 and 1,653.20 is: 2,281.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.45 : 4,209.59 = 1,653.20 : x
  2. Step 2: Convert to fraction form
    3,050.45/4,209.59 = 1,653.20/x
  3. Step 3: Cross multiply
    3,050.45x = 4,209.59 × 1,653.20
  4. Step 4: Simplify right side
    3,050.45x = 6,959,264.87
  5. Step 5: Solve for x
    x = 6,959,264.87/3,050.45
  6. Step 6: Final answer
    x = 2,281.39

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.