Home / 1,637.08-2,258.84-974.10

Finding the Fourth Proportional to 1,637.08, 2,258.84 and 974.10

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Solution

The fourth proportional to 1,637.08, 2,258.84 and 974.10 is: 1,344.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.08 : 2,258.84 = 974.10 : x
  2. Step 2: Convert to fraction form
    1,637.08/2,258.84 = 974.10/x
  3. Step 3: Cross multiply
    1,637.08x = 2,258.84 × 974.10
  4. Step 4: Simplify right side
    1,637.08x = 2,200,336.04
  5. Step 5: Solve for x
    x = 2,200,336.04/1,637.08
  6. Step 6: Final answer
    x = 1,344.06

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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.