Home / 1,474.50-2,031.36-1,031.64

Finding the Fourth Proportional to 1,474.50, 2,031.36 and 1,031.64

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Solution

The fourth proportional to 1,474.50, 2,031.36 and 1,031.64 is: 1,421.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.50 : 2,031.36 = 1,031.64 : x
  2. Step 2: Convert to fraction form
    1,474.50/2,031.36 = 1,031.64/x
  3. Step 3: Cross multiply
    1,474.50x = 2,031.36 × 1,031.64
  4. Step 4: Simplify right side
    1,474.50x = 2,095,632.23
  5. Step 5: Solve for x
    x = 2,095,632.23/1,474.50
  6. Step 6: Final answer
    x = 1,421.25

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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.