Home / 2,079.20-2,869.23-1,134.99

Finding the Fourth Proportional to 2,079.20, 2,869.23 and 1,134.99

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Solution

The fourth proportional to 2,079.20, 2,869.23 and 1,134.99 is: 1,566.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.20 : 2,869.23 = 1,134.99 : x
  2. Step 2: Convert to fraction form
    2,079.20/2,869.23 = 1,134.99/x
  3. Step 3: Cross multiply
    2,079.20x = 2,869.23 × 1,134.99
  4. Step 4: Simplify right side
    2,079.20x = 3,256,547.36
  5. Step 5: Solve for x
    x = 3,256,547.36/2,079.20
  6. Step 6: Final answer
    x = 1,566.25

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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.