Home / 1,537.65-2,103.30-1,501.20

Finding the Fourth Proportional to 1,537.65, 2,103.30 and 1,501.20

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Solution

The fourth proportional to 1,537.65, 2,103.30 and 1,501.20 is: 2,053.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537.65 : 2,103.30 = 1,501.20 : x
  2. Step 2: Convert to fraction form
    1,537.65/2,103.30 = 1,501.20/x
  3. Step 3: Cross multiply
    1,537.65x = 2,103.30 × 1,501.20
  4. Step 4: Simplify right side
    1,537.65x = 3,157,473.96
  5. Step 5: Solve for x
    x = 3,157,473.96/1,537.65
  6. Step 6: Final answer
    x = 2,053.44

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.