Home / 3,387.57-4,674.67-1,875.05

Finding the Fourth Proportional to 3,387.57, 4,674.67 and 1,875.05

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Solution

The fourth proportional to 3,387.57, 4,674.67 and 1,875.05 is: 2,587.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.57 : 4,674.67 = 1,875.05 : x
  2. Step 2: Convert to fraction form
    3,387.57/4,674.67 = 1,875.05/x
  3. Step 3: Cross multiply
    3,387.57x = 4,674.67 × 1,875.05
  4. Step 4: Simplify right side
    3,387.57x = 8,765,242.64
  5. Step 5: Solve for x
    x = 8,765,242.64/3,387.57
  6. Step 6: Final answer
    x = 2,587.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.