Home / 1,340.34-2,010.50-366.51

Finding the Fourth Proportional to 1,340.34, 2,010.50 and 366.51

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Solution

The fourth proportional to 1,340.34, 2,010.50 and 366.51 is: 549.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.34 : 2,010.50 = 366.51 : x
  2. Step 2: Convert to fraction form
    1,340.34/2,010.50 = 366.51/x
  3. Step 3: Cross multiply
    1,340.34x = 2,010.50 × 366.51
  4. Step 4: Simplify right side
    1,340.34x = 736,868.36
  5. Step 5: Solve for x
    x = 736,868.36/1,340.34
  6. Step 6: Final answer
    x = 549.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.