Home / 1,459.79-2,179.02-1,266.15

Finding the Fourth Proportional to 1,459.79, 2,179.02 and 1,266.15

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Solution

The fourth proportional to 1,459.79, 2,179.02 and 1,266.15 is: 1,889.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.79 : 2,179.02 = 1,266.15 : x
  2. Step 2: Convert to fraction form
    1,459.79/2,179.02 = 1,266.15/x
  3. Step 3: Cross multiply
    1,459.79x = 2,179.02 × 1,266.15
  4. Step 4: Simplify right side
    1,459.79x = 2,758,966.17
  5. Step 5: Solve for x
    x = 2,758,966.17/1,459.79
  6. Step 6: Final answer
    x = 1,889.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.