Home / 3,200.85-4,417.34-1,875.02

Finding the Fourth Proportional to 3,200.85, 4,417.34 and 1,875.02

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Solution

The fourth proportional to 3,200.85, 4,417.34 and 1,875.02 is: 2,587.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.85 : 4,417.34 = 1,875.02 : x
  2. Step 2: Convert to fraction form
    3,200.85/4,417.34 = 1,875.02/x
  3. Step 3: Cross multiply
    3,200.85x = 4,417.34 × 1,875.02
  4. Step 4: Simplify right side
    3,200.85x = 8,282,569.39
  5. Step 5: Solve for x
    x = 8,282,569.39/3,200.85
  6. Step 6: Final answer
    x = 2,587.62

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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.