Home / 2,853.96-4,272.84-1,877.10

Finding the Fourth Proportional to 2,853.96, 4,272.84 and 1,877.10

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Solution

The fourth proportional to 2,853.96, 4,272.84 and 1,877.10 is: 2,810.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.96 : 4,272.84 = 1,877.10 : x
  2. Step 2: Convert to fraction form
    2,853.96/4,272.84 = 1,877.10/x
  3. Step 3: Cross multiply
    2,853.96x = 4,272.84 × 1,877.10
  4. Step 4: Simplify right side
    2,853.96x = 8,020,547.96
  5. Step 5: Solve for x
    x = 8,020,547.96/2,853.96
  6. Step 6: Final answer
    x = 2,810.32

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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.