Home / 1,729.02-2,386.04-943.06

Finding the Fourth Proportional to 1,729.02, 2,386.04 and 943.06

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Solution

The fourth proportional to 1,729.02, 2,386.04 and 943.06 is: 1,301.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.02 : 2,386.04 = 943.06 : x
  2. Step 2: Convert to fraction form
    1,729.02/2,386.04 = 943.06/x
  3. Step 3: Cross multiply
    1,729.02x = 2,386.04 × 943.06
  4. Step 4: Simplify right side
    1,729.02x = 2,250,178.88
  5. Step 5: Solve for x
    x = 2,250,178.88/1,729.02
  6. Step 6: Final answer
    x = 1,301.42

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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.