Home / 1,566.96-2,157.48-1,273.20

Finding the Fourth Proportional to 1,566.96, 2,157.48 and 1,273.20

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Solution

The fourth proportional to 1,566.96, 2,157.48 and 1,273.20 is: 1,753.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.96 : 2,157.48 = 1,273.20 : x
  2. Step 2: Convert to fraction form
    1,566.96/2,157.48 = 1,273.20/x
  3. Step 3: Cross multiply
    1,566.96x = 2,157.48 × 1,273.20
  4. Step 4: Simplify right side
    1,566.96x = 2,746,903.54
  5. Step 5: Solve for x
    x = 2,746,903.54/1,566.96
  6. Step 6: Final answer
    x = 1,753.01

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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.