Home / 1,488.02-2,232.23-622.13

Finding the Fourth Proportional to 1,488.02, 2,232.23 and 622.13

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Solution

The fourth proportional to 1,488.02, 2,232.23 and 622.13 is: 933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488.02 : 2,232.23 = 622.13 : x
  2. Step 2: Convert to fraction form
    1,488.02/2,232.23 = 622.13/x
  3. Step 3: Cross multiply
    1,488.02x = 2,232.23 × 622.13
  4. Step 4: Simplify right side
    1,488.02x = 1,388,722.98
  5. Step 5: Solve for x
    x = 1,388,722.98/1,488.02
  6. Step 6: Final answer
    x = 933.27

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1.5x scale

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.