Home / 1,352.04-2,026.84-621.24

Finding the Fourth Proportional to 1,352.04, 2,026.84 and 621.24

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Solution

The fourth proportional to 1,352.04, 2,026.84 and 621.24 is: 931.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352.04 : 2,026.84 = 621.24 : x
  2. Step 2: Convert to fraction form
    1,352.04/2,026.84 = 621.24/x
  3. Step 3: Cross multiply
    1,352.04x = 2,026.84 × 621.24
  4. Step 4: Simplify right side
    1,352.04x = 1,259,154.08
  5. Step 5: Solve for x
    x = 1,259,154.08/1,352.04
  6. Step 6: Final answer
    x = 931.30

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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.