Home / 1,340.06-1,849.10-750.51

Finding the Fourth Proportional to 1,340.06, 1,849.10 and 750.51

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Solution

The fourth proportional to 1,340.06, 1,849.10 and 750.51 is: 1,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.06 : 1,849.10 = 750.51 : x
  2. Step 2: Convert to fraction form
    1,340.06/1,849.10 = 750.51/x
  3. Step 3: Cross multiply
    1,340.06x = 1,849.10 × 750.51
  4. Step 4: Simplify right side
    1,340.06x = 1,387,764.29
  5. Step 5: Solve for x
    x = 1,387,764.29/1,340.06
  6. Step 6: Final answer
    x = 1,035.60

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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.