Home / 1,488.02-2,232.36-448.10

Finding the Fourth Proportional to 1,488.02, 2,232.36 and 448.10

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Solution

The fourth proportional to 1,488.02, 2,232.36 and 448.10 is: 672.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488.02 : 2,232.36 = 448.10 : x
  2. Step 2: Convert to fraction form
    1,488.02/2,232.36 = 448.10/x
  3. Step 3: Cross multiply
    1,488.02x = 2,232.36 × 448.10
  4. Step 4: Simplify right side
    1,488.02x = 1,000,320.52
  5. Step 5: Solve for x
    x = 1,000,320.52/1,488.02
  6. Step 6: Final answer
    x = 672.25

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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.