Home / 2,477.68-3,418.08-1,637.20

Finding the Fourth Proportional to 2,477.68, 3,418.08 and 1,637.20

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Solution

The fourth proportional to 2,477.68, 3,418.08 and 1,637.20 is: 2,258.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.68 : 3,418.08 = 1,637.20 : x
  2. Step 2: Convert to fraction form
    2,477.68/3,418.08 = 1,637.20/x
  3. Step 3: Cross multiply
    2,477.68x = 3,418.08 × 1,637.20
  4. Step 4: Simplify right side
    2,477.68x = 5,596,080.58
  5. Step 5: Solve for x
    x = 5,596,080.58/2,477.68
  6. Step 6: Final answer
    x = 2,258.60

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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.