Home / 1,857.49-2,563.14-1,111.60

Finding the Fourth Proportional to 1,857.49, 2,563.14 and 1,111.60

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Solution

The fourth proportional to 1,857.49, 2,563.14 and 1,111.60 is: 1,533.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857.49 : 2,563.14 = 1,111.60 : x
  2. Step 2: Convert to fraction form
    1,857.49/2,563.14 = 1,111.60/x
  3. Step 3: Cross multiply
    1,857.49x = 2,563.14 × 1,111.60
  4. Step 4: Simplify right side
    1,857.49x = 2,849,186.42
  5. Step 5: Solve for x
    x = 2,849,186.42/1,857.49
  6. Step 6: Final answer
    x = 1,533.89

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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.