Home / 2,953.77-4,075.29-1,758.21

Finding the Fourth Proportional to 2,953.77, 4,075.29 and 1,758.21

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Solution

The fourth proportional to 2,953.77, 4,075.29 and 1,758.21 is: 2,425.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.77 : 4,075.29 = 1,758.21 : x
  2. Step 2: Convert to fraction form
    2,953.77/4,075.29 = 1,758.21/x
  3. Step 3: Cross multiply
    2,953.77x = 4,075.29 × 1,758.21
  4. Step 4: Simplify right side
    2,953.77x = 7,165,215.63
  5. Step 5: Solve for x
    x = 7,165,215.63/2,953.77
  6. Step 6: Final answer
    x = 2,425.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.