Home / 2,953.30-4,075.48-1,695.09

Finding the Fourth Proportional to 2,953.30, 4,075.48 and 1,695.09

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Solution

The fourth proportional to 2,953.30, 4,075.48 and 1,695.09 is: 2,339.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.30 : 4,075.48 = 1,695.09 : x
  2. Step 2: Convert to fraction form
    2,953.30/4,075.48 = 1,695.09/x
  3. Step 3: Cross multiply
    2,953.30x = 4,075.48 × 1,695.09
  4. Step 4: Simplify right side
    2,953.30x = 6,908,305.39
  5. Step 5: Solve for x
    x = 6,908,305.39/2,953.30
  6. Step 6: Final answer
    x = 2,339.18

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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.