Home / 3,877.02-5,814.90-1,685.16

Finding the Fourth Proportional to 3,877.02, 5,814.90 and 1,685.16

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Solution

The fourth proportional to 3,877.02, 5,814.90 and 1,685.16 is: 2,527.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.02 : 5,814.90 = 1,685.16 : x
  2. Step 2: Convert to fraction form
    3,877.02/5,814.90 = 1,685.16/x
  3. Step 3: Cross multiply
    3,877.02x = 5,814.90 × 1,685.16
  4. Step 4: Simplify right side
    3,877.02x = 9,799,036.88
  5. Step 5: Solve for x
    x = 9,799,036.88/3,877.02
  6. Step 6: Final answer
    x = 2,527.47

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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.