Home / 1,545.09-2,132.15-846.33

Finding the Fourth Proportional to 1,545.09, 2,132.15 and 846.33

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Solution

The fourth proportional to 1,545.09, 2,132.15 and 846.33 is: 1,167.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.09 : 2,132.15 = 846.33 : x
  2. Step 2: Convert to fraction form
    1,545.09/2,132.15 = 846.33/x
  3. Step 3: Cross multiply
    1,545.09x = 2,132.15 × 846.33
  4. Step 4: Simplify right side
    1,545.09x = 1,804,498.28
  5. Step 5: Solve for x
    x = 1,804,498.28/1,545.09
  6. Step 6: Final answer
    x = 1,167.89

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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.