Home / 1,859.42-2,566.08-1,113.50

Finding the Fourth Proportional to 1,859.42, 2,566.08 and 1,113.50

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Solution

The fourth proportional to 1,859.42, 2,566.08 and 1,113.50 is: 1,536.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.42 : 2,566.08 = 1,113.50 : x
  2. Step 2: Convert to fraction form
    1,859.42/2,566.08 = 1,113.50/x
  3. Step 3: Cross multiply
    1,859.42x = 2,566.08 × 1,113.50
  4. Step 4: Simplify right side
    1,859.42x = 2,857,330.08
  5. Step 5: Solve for x
    x = 2,857,330.08/1,859.42
  6. Step 6: Final answer
    x = 1,536.68

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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.