Home / 1,457.19-2,010.96-794.04

Finding the Fourth Proportional to 1,457.19, 2,010.96 and 794.04

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Solution

The fourth proportional to 1,457.19, 2,010.96 and 794.04 is: 1,095.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457.19 : 2,010.96 = 794.04 : x
  2. Step 2: Convert to fraction form
    1,457.19/2,010.96 = 794.04/x
  3. Step 3: Cross multiply
    1,457.19x = 2,010.96 × 794.04
  4. Step 4: Simplify right side
    1,457.19x = 1,596,779.70
  5. Step 5: Solve for x
    x = 1,596,779.70/1,457.19
  6. Step 6: Final answer
    x = 1,095.79

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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.