Home / 1,512.50-2,085.64-1,197.25

Finding the Fourth Proportional to 1,512.50, 2,085.64 and 1,197.25

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Solution

The fourth proportional to 1,512.50, 2,085.64 and 1,197.25 is: 1,650.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.50 : 2,085.64 = 1,197.25 : x
  2. Step 2: Convert to fraction form
    1,512.50/2,085.64 = 1,197.25/x
  3. Step 3: Cross multiply
    1,512.50x = 2,085.64 × 1,197.25
  4. Step 4: Simplify right side
    1,512.50x = 2,497,024.28
  5. Step 5: Solve for x
    x = 2,497,024.28/1,512.50
  6. Step 6: Final answer
    x = 1,650.93

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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.