Home / 1,466.04-2,203.62-921.72

Finding the Fourth Proportional to 1,466.04, 2,203.62 and 921.72

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Solution

The fourth proportional to 1,466.04, 2,203.62 and 921.72 is: 1,385.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466.04 : 2,203.62 = 921.72 : x
  2. Step 2: Convert to fraction form
    1,466.04/2,203.62 = 921.72/x
  3. Step 3: Cross multiply
    1,466.04x = 2,203.62 × 921.72
  4. Step 4: Simplify right side
    1,466.04x = 2,031,120.63
  5. Step 5: Solve for x
    x = 2,031,120.63/1,466.04
  6. Step 6: Final answer
    x = 1,385.45

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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.