Home / 2,685.02-4,023.08-1,901.15

Finding the Fourth Proportional to 2,685.02, 4,023.08 and 1,901.15

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Solution

The fourth proportional to 2,685.02, 4,023.08 and 1,901.15 is: 2,848.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.02 : 4,023.08 = 1,901.15 : x
  2. Step 2: Convert to fraction form
    2,685.02/4,023.08 = 1,901.15/x
  3. Step 3: Cross multiply
    2,685.02x = 4,023.08 × 1,901.15
  4. Step 4: Simplify right side
    2,685.02x = 7,648,448.92
  5. Step 5: Solve for x
    x = 7,648,448.92/2,685.02
  6. Step 6: Final answer
    x = 2,848.57

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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.