Home / 1,859.40-2,565.69-1,197.14

Finding the Fourth Proportional to 1,859.40, 2,565.69 and 1,197.14

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Solution

The fourth proportional to 1,859.40, 2,565.69 and 1,197.14 is: 1,651.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.40 : 2,565.69 = 1,197.14 : x
  2. Step 2: Convert to fraction form
    1,859.40/2,565.69 = 1,197.14/x
  3. Step 3: Cross multiply
    1,859.40x = 2,565.69 × 1,197.14
  4. Step 4: Simplify right side
    1,859.40x = 3,071,490.13
  5. Step 5: Solve for x
    x = 3,071,490.13/1,859.40
  6. Step 6: Final answer
    x = 1,651.88

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Double scale
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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.