Home / 1,541.09-2,311.40-501.18

Finding the Fourth Proportional to 1,541.09, 2,311.40 and 501.18

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Solution

The fourth proportional to 1,541.09, 2,311.40 and 501.18 is: 751.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541.09 : 2,311.40 = 501.18 : x
  2. Step 2: Convert to fraction form
    1,541.09/2,311.40 = 501.18/x
  3. Step 3: Cross multiply
    1,541.09x = 2,311.40 × 501.18
  4. Step 4: Simplify right side
    1,541.09x = 1,158,427.45
  5. Step 5: Solve for x
    x = 1,158,427.45/1,541.09
  6. Step 6: Final answer
    x = 751.69

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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.