Home / 1,545.49-2,132.58-948.25

Finding the Fourth Proportional to 1,545.49, 2,132.58 and 948.25

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Solution

The fourth proportional to 1,545.49, 2,132.58 and 948.25 is: 1,308.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.49 : 2,132.58 = 948.25 : x
  2. Step 2: Convert to fraction form
    1,545.49/2,132.58 = 948.25/x
  3. Step 3: Cross multiply
    1,545.49x = 2,132.58 × 948.25
  4. Step 4: Simplify right side
    1,545.49x = 2,022,218.99
  5. Step 5: Solve for x
    x = 2,022,218.99/1,545.49
  6. Step 6: Final answer
    x = 1,308.46

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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.