Home / 1,612.60-2,225.64-1,170.34

Finding the Fourth Proportional to 1,612.60, 2,225.64 and 1,170.34

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Solution

The fourth proportional to 1,612.60, 2,225.64 and 1,170.34 is: 1,615.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.60 : 2,225.64 = 1,170.34 : x
  2. Step 2: Convert to fraction form
    1,612.60/2,225.64 = 1,170.34/x
  3. Step 3: Cross multiply
    1,612.60x = 2,225.64 × 1,170.34
  4. Step 4: Simplify right side
    1,612.60x = 2,604,755.52
  5. Step 5: Solve for x
    x = 2,604,755.52/1,612.60
  6. Step 6: Final answer
    x = 1,615.25

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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.