Home / 1,859.79-2,566.08-1,113.47

Finding the Fourth Proportional to 1,859.79, 2,566.08 and 1,113.47

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Solution

The fourth proportional to 1,859.79, 2,566.08 and 1,113.47 is: 1,536.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.79 : 2,566.08 = 1,113.47 : x
  2. Step 2: Convert to fraction form
    1,859.79/2,566.08 = 1,113.47/x
  3. Step 3: Cross multiply
    1,859.79x = 2,566.08 × 1,113.47
  4. Step 4: Simplify right side
    1,859.79x = 2,857,240.27
  5. Step 5: Solve for x
    x = 2,857,240.27/1,859.79
  6. Step 6: Final answer
    x = 1,536.32

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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.