Home / 1,459.08-2,175.66-1,440.72

Finding the Fourth Proportional to 1,459.08, 2,175.66 and 1,440.72

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Solution

The fourth proportional to 1,459.08, 2,175.66 and 1,440.72 is: 2,148.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.08 : 2,175.66 = 1,440.72 : x
  2. Step 2: Convert to fraction form
    1,459.08/2,175.66 = 1,440.72/x
  3. Step 3: Cross multiply
    1,459.08x = 2,175.66 × 1,440.72
  4. Step 4: Simplify right side
    1,459.08x = 3,134,516.88
  5. Step 5: Solve for x
    x = 3,134,516.88/1,459.08
  6. Step 6: Final answer
    x = 2,148.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.