Home / 1,541.49-2,312.37-501.51

Finding the Fourth Proportional to 1,541.49, 2,312.37 and 501.51

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Solution

The fourth proportional to 1,541.49, 2,312.37 and 501.51 is: 752.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541.49 : 2,312.37 = 501.51 : x
  2. Step 2: Convert to fraction form
    1,541.49/2,312.37 = 501.51/x
  3. Step 3: Cross multiply
    1,541.49x = 2,312.37 × 501.51
  4. Step 4: Simplify right side
    1,541.49x = 1,159,676.68
  5. Step 5: Solve for x
    x = 1,159,676.68/1,541.49
  6. Step 6: Final answer
    x = 752.31

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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.