Home / 1,530.93-2,112.86-1,437.09

Finding the Fourth Proportional to 1,530.93, 2,112.86 and 1,437.09

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Solution

The fourth proportional to 1,530.93, 2,112.86 and 1,437.09 is: 1,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530.93 : 2,112.86 = 1,437.09 : x
  2. Step 2: Convert to fraction form
    1,530.93/2,112.86 = 1,437.09/x
  3. Step 3: Cross multiply
    1,530.93x = 2,112.86 × 1,437.09
  4. Step 4: Simplify right side
    1,530.93x = 3,036,362.79
  5. Step 5: Solve for x
    x = 3,036,362.79/1,530.93
  6. Step 6: Final answer
    x = 1,983.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.