Home / 2,312.02-3,190.61-1,264.11

Finding the Fourth Proportional to 2,312.02, 3,190.61 and 1,264.11

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Solution

The fourth proportional to 2,312.02, 3,190.61 and 1,264.11 is: 1,744.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312.02 : 3,190.61 = 1,264.11 : x
  2. Step 2: Convert to fraction form
    2,312.02/3,190.61 = 1,264.11/x
  3. Step 3: Cross multiply
    2,312.02x = 3,190.61 × 1,264.11
  4. Step 4: Simplify right side
    2,312.02x = 4,033,282.01
  5. Step 5: Solve for x
    x = 4,033,282.01/2,312.02
  6. Step 6: Final answer
    x = 1,744.48

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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.