Home / 1,962.02-2,706.45-1,253.63

Finding the Fourth Proportional to 1,962.02, 2,706.45 and 1,253.63

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Solution

The fourth proportional to 1,962.02, 2,706.45 and 1,253.63 is: 1,729.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.02 : 2,706.45 = 1,253.63 : x
  2. Step 2: Convert to fraction form
    1,962.02/2,706.45 = 1,253.63/x
  3. Step 3: Cross multiply
    1,962.02x = 2,706.45 × 1,253.63
  4. Step 4: Simplify right side
    1,962.02x = 3,392,886.91
  5. Step 5: Solve for x
    x = 3,392,886.91/1,962.02
  6. Step 6: Final answer
    x = 1,729.28

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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.