Home / 1,540.16-2,307.36-1,052.72

Finding the Fourth Proportional to 1,540.16, 2,307.36 and 1,052.72

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Solution

The fourth proportional to 1,540.16, 2,307.36 and 1,052.72 is: 1,577.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540.16 : 2,307.36 = 1,052.72 : x
  2. Step 2: Convert to fraction form
    1,540.16/2,307.36 = 1,052.72/x
  3. Step 3: Cross multiply
    1,540.16x = 2,307.36 × 1,052.72
  4. Step 4: Simplify right side
    1,540.16x = 2,429,004.02
  5. Step 5: Solve for x
    x = 2,429,004.02/1,540.16
  6. Step 6: Final answer
    x = 1,577.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.