Home / 2,562.30-3,840.84-918.36

Finding the Fourth Proportional to 2,562.30, 3,840.84 and 918.36

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Solution

The fourth proportional to 2,562.30, 3,840.84 and 918.36 is: 1,376.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,562.30 : 3,840.84 = 918.36 : x
  2. Step 2: Convert to fraction form
    2,562.30/3,840.84 = 918.36/x
  3. Step 3: Cross multiply
    2,562.30x = 3,840.84 × 918.36
  4. Step 4: Simplify right side
    2,562.30x = 3,527,273.82
  5. Step 5: Solve for x
    x = 3,527,273.82/2,562.30
  6. Step 6: Final answer
    x = 1,376.60

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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.