Home / 1,507.32-2,259.30-776.93

Finding the Fourth Proportional to 1,507.32, 2,259.30 and 776.93

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Solution

The fourth proportional to 1,507.32, 2,259.30 and 776.93 is: 1,164.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.32 : 2,259.30 = 776.93 : x
  2. Step 2: Convert to fraction form
    1,507.32/2,259.30 = 776.93/x
  3. Step 3: Cross multiply
    1,507.32x = 2,259.30 × 776.93
  4. Step 4: Simplify right side
    1,507.32x = 1,755,323.60
  5. Step 5: Solve for x
    x = 1,755,323.60/1,507.32
  6. Step 6: Final answer
    x = 1,164.53

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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.