Home / 1,528.64-2,301.25-1,369.88

Finding the Fourth Proportional to 1,528.64, 2,301.25 and 1,369.88

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Solution

The fourth proportional to 1,528.64, 2,301.25 and 1,369.88 is: 2,062.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.64 : 2,301.25 = 1,369.88 : x
  2. Step 2: Convert to fraction form
    1,528.64/2,301.25 = 1,369.88/x
  3. Step 3: Cross multiply
    1,528.64x = 2,301.25 × 1,369.88
  4. Step 4: Simplify right side
    1,528.64x = 3,152,421.42
  5. Step 5: Solve for x
    x = 3,152,421.42/1,528.64
  6. Step 6: Final answer
    x = 2,062.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.