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Finding the Fourth Proportional to 2,312.04, 3,468.54 and 773

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Solution

The fourth proportional to 2,312.04, 3,468.54 and 773 is: 1,159.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312.04 : 3,468.54 = 773 : x
  2. Step 2: Convert to fraction form
    2,312.04/3,468.54 = 773/x
  3. Step 3: Cross multiply
    2,312.04x = 3,468.54 × 773
  4. Step 4: Simplify right side
    2,312.04x = 2,681,181.42
  5. Step 5: Solve for x
    x = 2,681,181.42/2,312.04
  6. Step 6: Final answer
    x = 1,159.66

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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.