Home / 1,492.80-2,057.92-1,049.34

Finding the Fourth Proportional to 1,492.80, 2,057.92 and 1,049.34

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Solution

The fourth proportional to 1,492.80, 2,057.92 and 1,049.34 is: 1,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.80 : 2,057.92 = 1,049.34 : x
  2. Step 2: Convert to fraction form
    1,492.80/2,057.92 = 1,049.34/x
  3. Step 3: Cross multiply
    1,492.80x = 2,057.92 × 1,049.34
  4. Step 4: Simplify right side
    1,492.80x = 2,159,457.77
  5. Step 5: Solve for x
    x = 2,159,457.77/1,492.80
  6. Step 6: Final answer
    x = 1,446.58

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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.