Home / 1,859.09-2,565.38-1,113.33

Finding the Fourth Proportional to 1,859.09, 2,565.38 and 1,113.33

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Solution

The fourth proportional to 1,859.09, 2,565.38 and 1,113.33 is: 1,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.09 : 2,565.38 = 1,113.33 : x
  2. Step 2: Convert to fraction form
    1,859.09/2,565.38 = 1,113.33/x
  3. Step 3: Cross multiply
    1,859.09x = 2,565.38 × 1,113.33
  4. Step 4: Simplify right side
    1,859.09x = 2,856,114.52
  5. Step 5: Solve for x
    x = 2,856,114.52/1,859.09
  6. Step 6: Final answer
    x = 1,536.30

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1.5x scale

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.