Home / 3,053.54-4,213.90-1,656.30

Finding the Fourth Proportional to 3,053.54, 4,213.90 and 1,656.30

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Solution

The fourth proportional to 3,053.54, 4,213.90 and 1,656.30 is: 2,285.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,053.54 : 4,213.90 = 1,656.30 : x
  2. Step 2: Convert to fraction form
    3,053.54/4,213.90 = 1,656.30/x
  3. Step 3: Cross multiply
    3,053.54x = 4,213.90 × 1,656.30
  4. Step 4: Simplify right side
    3,053.54x = 6,979,482.57
  5. Step 5: Solve for x
    x = 6,979,482.57/3,053.54
  6. Step 6: Final answer
    x = 2,285.70

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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.