Home / 1,472.08-2,031.57-973.85

Finding the Fourth Proportional to 1,472.08, 2,031.57 and 973.85

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Solution

The fourth proportional to 1,472.08, 2,031.57 and 973.85 is: 1,343.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.08 : 2,031.57 = 973.85 : x
  2. Step 2: Convert to fraction form
    1,472.08/2,031.57 = 973.85/x
  3. Step 3: Cross multiply
    1,472.08x = 2,031.57 × 973.85
  4. Step 4: Simplify right side
    1,472.08x = 1,978,444.44
  5. Step 5: Solve for x
    x = 1,978,444.44/1,472.08
  6. Step 6: Final answer
    x = 1,343.98

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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.