Home / 2,574.14-3,862.80-1,113.30

Finding the Fourth Proportional to 2,574.14, 3,862.80 and 1,113.30

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Solution

The fourth proportional to 2,574.14, 3,862.80 and 1,113.30 is: 1,670.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.14 : 3,862.80 = 1,113.30 : x
  2. Step 2: Convert to fraction form
    2,574.14/3,862.80 = 1,113.30/x
  3. Step 3: Cross multiply
    2,574.14x = 3,862.80 × 1,113.30
  4. Step 4: Simplify right side
    2,574.14x = 4,300,455.24
  5. Step 5: Solve for x
    x = 4,300,455.24/2,574.14
  6. Step 6: Final answer
    x = 1,670.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.