Home / 3,075.90-4,246.02-2,134.79

Finding the Fourth Proportional to 3,075.90, 4,246.02 and 2,134.79

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Solution

The fourth proportional to 3,075.90, 4,246.02 and 2,134.79 is: 2,946.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.90 : 4,246.02 = 2,134.79 : x
  2. Step 2: Convert to fraction form
    3,075.90/4,246.02 = 2,134.79/x
  3. Step 3: Cross multiply
    3,075.90x = 4,246.02 × 2,134.79
  4. Step 4: Simplify right side
    3,075.90x = 9,064,339.81
  5. Step 5: Solve for x
    x = 9,064,339.81/3,075.90
  6. Step 6: Final answer
    x = 2,946.89

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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.