Home / 1,977.15-2,964.29-1,051.95

Finding the Fourth Proportional to 1,977.15, 2,964.29 and 1,051.95

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Solution

The fourth proportional to 1,977.15, 2,964.29 and 1,051.95 is: 1,577.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977.15 : 2,964.29 = 1,051.95 : x
  2. Step 2: Convert to fraction form
    1,977.15/2,964.29 = 1,051.95/x
  3. Step 3: Cross multiply
    1,977.15x = 2,964.29 × 1,051.95
  4. Step 4: Simplify right side
    1,977.15x = 3,118,279.61
  5. Step 5: Solve for x
    x = 3,118,279.61/1,977.15
  6. Step 6: Final answer
    x = 1,577.16

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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.