Home / 1,729.64-2,386.92-1,030.88

Finding the Fourth Proportional to 1,729.64, 2,386.92 and 1,030.88

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Solution

The fourth proportional to 1,729.64, 2,386.92 and 1,030.88 is: 1,422.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.64 : 2,386.92 = 1,030.88 : x
  2. Step 2: Convert to fraction form
    1,729.64/2,386.92 = 1,030.88/x
  3. Step 3: Cross multiply
    1,729.64x = 2,386.92 × 1,030.88
  4. Step 4: Simplify right side
    1,729.64x = 2,460,616.16
  5. Step 5: Solve for x
    x = 2,460,616.16/1,729.64
  6. Step 6: Final answer
    x = 1,422.62

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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.