Home / 2,079.65-2,869.08-1,333.47

Finding the Fourth Proportional to 2,079.65, 2,869.08 and 1,333.47

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Solution

The fourth proportional to 2,079.65, 2,869.08 and 1,333.47 is: 1,839.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.65 : 2,869.08 = 1,333.47 : x
  2. Step 2: Convert to fraction form
    2,079.65/2,869.08 = 1,333.47/x
  3. Step 3: Cross multiply
    2,079.65x = 2,869.08 × 1,333.47
  4. Step 4: Simplify right side
    2,079.65x = 3,825,832.11
  5. Step 5: Solve for x
    x = 3,825,832.11/2,079.65
  6. Step 6: Final answer
    x = 1,839.65

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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.