Home / 2,320.17-3,202.14-1,312.08

Finding the Fourth Proportional to 2,320.17, 3,202.14 and 1,312.08

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Solution

The fourth proportional to 2,320.17, 3,202.14 and 1,312.08 is: 1,810.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.17 : 3,202.14 = 1,312.08 : x
  2. Step 2: Convert to fraction form
    2,320.17/3,202.14 = 1,312.08/x
  3. Step 3: Cross multiply
    2,320.17x = 3,202.14 × 1,312.08
  4. Step 4: Simplify right side
    2,320.17x = 4,201,463.85
  5. Step 5: Solve for x
    x = 4,201,463.85/2,320.17
  6. Step 6: Final answer
    x = 1,810.84

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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.