Home / 1,857.02-2,563.80-1,159.34

Finding the Fourth Proportional to 1,857.02, 2,563.80 and 1,159.34

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Solution

The fourth proportional to 1,857.02, 2,563.80 and 1,159.34 is: 1,600.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857.02 : 2,563.80 = 1,159.34 : x
  2. Step 2: Convert to fraction form
    1,857.02/2,563.80 = 1,159.34/x
  3. Step 3: Cross multiply
    1,857.02x = 2,563.80 × 1,159.34
  4. Step 4: Simplify right side
    1,857.02x = 2,972,315.89
  5. Step 5: Solve for x
    x = 2,972,315.89/1,857.02
  6. Step 6: Final answer
    x = 1,600.58

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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.