Home / 2,877.10-4,315.65-2,852.80

Finding the Fourth Proportional to 2,877.10, 4,315.65 and 2,852.80

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Solution

The fourth proportional to 2,877.10, 4,315.65 and 2,852.80 is: 4,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.10 : 4,315.65 = 2,852.80 : x
  2. Step 2: Convert to fraction form
    2,877.10/4,315.65 = 2,852.80/x
  3. Step 3: Cross multiply
    2,877.10x = 4,315.65 × 2,852.80
  4. Step 4: Simplify right side
    2,877.10x = 12,311,686.32
  5. Step 5: Solve for x
    x = 12,311,686.32/2,877.10
  6. Step 6: Final answer
    x = 4,279.20

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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.