Home / 1,859.72-2,566.36-1,074

Finding the Fourth Proportional to 1,859.72, 2,566.36 and 1,074

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Solution

The fourth proportional to 1,859.72, 2,566.36 and 1,074 is: 1,482.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.72 : 2,566.36 = 1,074 : x
  2. Step 2: Convert to fraction form
    1,859.72/2,566.36 = 1,074/x
  3. Step 3: Cross multiply
    1,859.72x = 2,566.36 × 1,074
  4. Step 4: Simplify right side
    1,859.72x = 2,756,270.64
  5. Step 5: Solve for x
    x = 2,756,270.64/1,859.72
  6. Step 6: Final answer
    x = 1,482.09

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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.