Home / 1,673.28-2,308.77-974.25

Finding the Fourth Proportional to 1,673.28, 2,308.77 and 974.25

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Solution

The fourth proportional to 1,673.28, 2,308.77 and 974.25 is: 1,344.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.28 : 2,308.77 = 974.25 : x
  2. Step 2: Convert to fraction form
    1,673.28/2,308.77 = 974.25/x
  3. Step 3: Cross multiply
    1,673.28x = 2,308.77 × 974.25
  4. Step 4: Simplify right side
    1,673.28x = 2,249,319.17
  5. Step 5: Solve for x
    x = 2,249,319.17/1,673.28
  6. Step 6: Final answer
    x = 1,344.26

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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.