Home / 3,075.79-4,617.02-2,854.66

Finding the Fourth Proportional to 3,075.79, 4,617.02 and 2,854.66

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Solution

The fourth proportional to 3,075.79, 4,617.02 and 2,854.66 is: 4,285.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.79 : 4,617.02 = 2,854.66 : x
  2. Step 2: Convert to fraction form
    3,075.79/4,617.02 = 2,854.66/x
  3. Step 3: Cross multiply
    3,075.79x = 4,617.02 × 2,854.66
  4. Step 4: Simplify right side
    3,075.79x = 13,180,017.91
  5. Step 5: Solve for x
    x = 13,180,017.91/3,075.79
  6. Step 6: Final answer
    x = 4,285.09

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1.5x scale

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.