Home / 1,455.91-2,008.67-895.79

Finding the Fourth Proportional to 1,455.91, 2,008.67 and 895.79

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Solution

The fourth proportional to 1,455.91, 2,008.67 and 895.79 is: 1,235.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455.91 : 2,008.67 = 895.79 : x
  2. Step 2: Convert to fraction form
    1,455.91/2,008.67 = 895.79/x
  3. Step 3: Cross multiply
    1,455.91x = 2,008.67 × 895.79
  4. Step 4: Simplify right side
    1,455.91x = 1,799,347.04
  5. Step 5: Solve for x
    x = 1,799,347.04/1,455.91
  6. Step 6: Final answer
    x = 1,235.89

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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.