Home / 1,859.29-2,565.88-1,020.06

Finding the Fourth Proportional to 1,859.29, 2,565.88 and 1,020.06

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Solution

The fourth proportional to 1,859.29, 2,565.88 and 1,020.06 is: 1,407.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.29 : 2,565.88 = 1,020.06 : x
  2. Step 2: Convert to fraction form
    1,859.29/2,565.88 = 1,020.06/x
  3. Step 3: Cross multiply
    1,859.29x = 2,565.88 × 1,020.06
  4. Step 4: Simplify right side
    1,859.29x = 2,617,349.00
  5. Step 5: Solve for x
    x = 2,617,349.00/1,859.29
  6. Step 6: Final answer
    x = 1,407.72

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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.