Home / 1,437.02-2,158.63-1,218.10

Finding the Fourth Proportional to 1,437.02, 2,158.63 and 1,218.10

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Solution

The fourth proportional to 1,437.02, 2,158.63 and 1,218.10 is: 1,829.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.02 : 2,158.63 = 1,218.10 : x
  2. Step 2: Convert to fraction form
    1,437.02/2,158.63 = 1,218.10/x
  3. Step 3: Cross multiply
    1,437.02x = 2,158.63 × 1,218.10
  4. Step 4: Simplify right side
    1,437.02x = 2,629,427.20
  5. Step 5: Solve for x
    x = 2,629,427.20/1,437.02
  6. Step 6: Final answer
    x = 1,829.78

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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.