Home / 1,977.17-2,966.55-1,052.45

Finding the Fourth Proportional to 1,977.17, 2,966.55 and 1,052.45

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Solution

The fourth proportional to 1,977.17, 2,966.55 and 1,052.45 is: 1,579.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977.17 : 2,966.55 = 1,052.45 : x
  2. Step 2: Convert to fraction form
    1,977.17/2,966.55 = 1,052.45/x
  3. Step 3: Cross multiply
    1,977.17x = 2,966.55 × 1,052.45
  4. Step 4: Simplify right side
    1,977.17x = 3,122,130.71
  5. Step 5: Solve for x
    x = 3,122,130.71/1,977.17
  6. Step 6: Final answer
    x = 1,579.09

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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.