Home / 2,752.05-4,117.77-1,637.40

Finding the Fourth Proportional to 2,752.05, 4,117.77 and 1,637.40

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Solution

The fourth proportional to 2,752.05, 4,117.77 and 1,637.40 is: 2,449.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.05 : 4,117.77 = 1,637.40 : x
  2. Step 2: Convert to fraction form
    2,752.05/4,117.77 = 1,637.40/x
  3. Step 3: Cross multiply
    2,752.05x = 4,117.77 × 1,637.40
  4. Step 4: Simplify right side
    2,752.05x = 6,742,436.60
  5. Step 5: Solve for x
    x = 6,742,436.60/2,752.05
  6. Step 6: Final answer
    x = 2,449.97

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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.