Home / 1,340.08-1,849.53-750.76

Finding the Fourth Proportional to 1,340.08, 1,849.53 and 750.76

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Solution

The fourth proportional to 1,340.08, 1,849.53 and 750.76 is: 1,036.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.08 : 1,849.53 = 750.76 : x
  2. Step 2: Convert to fraction form
    1,340.08/1,849.53 = 750.76/x
  3. Step 3: Cross multiply
    1,340.08x = 1,849.53 × 750.76
  4. Step 4: Simplify right side
    1,340.08x = 1,388,553.14
  5. Step 5: Solve for x
    x = 1,388,553.14/1,340.08
  6. Step 6: Final answer
    x = 1,036.17

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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.