Home / 1,507.16-2,256.10-1,379.58

Finding the Fourth Proportional to 1,507.16, 2,256.10 and 1,379.58

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Solution

The fourth proportional to 1,507.16, 2,256.10 and 1,379.58 is: 2,065.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.16 : 2,256.10 = 1,379.58 : x
  2. Step 2: Convert to fraction form
    1,507.16/2,256.10 = 1,379.58/x
  3. Step 3: Cross multiply
    1,507.16x = 2,256.10 × 1,379.58
  4. Step 4: Simplify right side
    1,507.16x = 3,112,478.98
  5. Step 5: Solve for x
    x = 3,112,478.98/1,507.16
  6. Step 6: Final answer
    x = 2,065.13

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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.