Home / 1,830.65-2,525.72-1,122.13

Finding the Fourth Proportional to 1,830.65, 2,525.72 and 1,122.13

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Solution

The fourth proportional to 1,830.65, 2,525.72 and 1,122.13 is: 1,548.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.65 : 2,525.72 = 1,122.13 : x
  2. Step 2: Convert to fraction form
    1,830.65/2,525.72 = 1,122.13/x
  3. Step 3: Cross multiply
    1,830.65x = 2,525.72 × 1,122.13
  4. Step 4: Simplify right side
    1,830.65x = 2,834,186.18
  5. Step 5: Solve for x
    x = 2,834,186.18/1,830.65
  6. Step 6: Final answer
    x = 1,548.19

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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.