Home / 1,857.51-2,564.55-1,657.99

Finding the Fourth Proportional to 1,857.51, 2,564.55 and 1,657.99

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Solution

The fourth proportional to 1,857.51, 2,564.55 and 1,657.99 is: 2,289.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857.51 : 2,564.55 = 1,657.99 : x
  2. Step 2: Convert to fraction form
    1,857.51/2,564.55 = 1,657.99/x
  3. Step 3: Cross multiply
    1,857.51x = 2,564.55 × 1,657.99
  4. Step 4: Simplify right side
    1,857.51x = 4,251,998.25
  5. Step 5: Solve for x
    x = 4,251,998.25/1,857.51
  6. Step 6: Final answer
    x = 2,289.08

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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.