Home / 2,225.60-3,070.08-1,293.44

Finding the Fourth Proportional to 2,225.60, 3,070.08 and 1,293.44

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Solution

The fourth proportional to 2,225.60, 3,070.08 and 1,293.44 is: 1,784.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.60 : 3,070.08 = 1,293.44 : x
  2. Step 2: Convert to fraction form
    2,225.60/3,070.08 = 1,293.44/x
  3. Step 3: Cross multiply
    2,225.60x = 3,070.08 × 1,293.44
  4. Step 4: Simplify right side
    2,225.60x = 3,970,964.28
  5. Step 5: Solve for x
    x = 3,970,964.28/2,225.60
  6. Step 6: Final answer
    x = 1,784.22

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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.