Home / 1,857.60-2,560.40-1,632.96

Finding the Fourth Proportional to 1,857.60, 2,560.40 and 1,632.96

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Solution

The fourth proportional to 1,857.60, 2,560.40 and 1,632.96 is: 2,250.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857.60 : 2,560.40 = 1,632.96 : x
  2. Step 2: Convert to fraction form
    1,857.60/2,560.40 = 1,632.96/x
  3. Step 3: Cross multiply
    1,857.60x = 2,560.40 × 1,632.96
  4. Step 4: Simplify right side
    1,857.60x = 4,181,030.78
  5. Step 5: Solve for x
    x = 4,181,030.78/1,857.60
  6. Step 6: Final answer
    x = 2,250.77

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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.