Home / 1,435.02-2,151.81-460.98

Finding the Fourth Proportional to 1,435.02, 2,151.81 and 460.98

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Solution

The fourth proportional to 1,435.02, 2,151.81 and 460.98 is: 691.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435.02 : 2,151.81 = 460.98 : x
  2. Step 2: Convert to fraction form
    1,435.02/2,151.81 = 460.98/x
  3. Step 3: Cross multiply
    1,435.02x = 2,151.81 × 460.98
  4. Step 4: Simplify right side
    1,435.02x = 991,941.37
  5. Step 5: Solve for x
    x = 991,941.37/1,435.02
  6. Step 6: Final answer
    x = 691.24

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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.