Home / 1,488.08-2,053.50-824.92

Finding the Fourth Proportional to 1,488.08, 2,053.50 and 824.92

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Solution

The fourth proportional to 1,488.08, 2,053.50 and 824.92 is: 1,138.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488.08 : 2,053.50 = 824.92 : x
  2. Step 2: Convert to fraction form
    1,488.08/2,053.50 = 824.92/x
  3. Step 3: Cross multiply
    1,488.08x = 2,053.50 × 824.92
  4. Step 4: Simplify right side
    1,488.08x = 1,693,973.22
  5. Step 5: Solve for x
    x = 1,693,973.22/1,488.08
  6. Step 6: Final answer
    x = 1,138.36

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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.