Home / 2,426.24-3,638.80-783.04

Finding the Fourth Proportional to 2,426.24, 3,638.80 and 783.04

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Solution

The fourth proportional to 2,426.24, 3,638.80 and 783.04 is: 1,174.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.24 : 3,638.80 = 783.04 : x
  2. Step 2: Convert to fraction form
    2,426.24/3,638.80 = 783.04/x
  3. Step 3: Cross multiply
    2,426.24x = 3,638.80 × 783.04
  4. Step 4: Simplify right side
    2,426.24x = 2,849,325.95
  5. Step 5: Solve for x
    x = 2,849,325.95/2,426.24
  6. Step 6: Final answer
    x = 1,174.38

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1.5x scale

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.