Home / 1,545.48-2,133.54-1,325.57

Finding the Fourth Proportional to 1,545.48, 2,133.54 and 1,325.57

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Solution

The fourth proportional to 1,545.48, 2,133.54 and 1,325.57 is: 1,829.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.48 : 2,133.54 = 1,325.57 : x
  2. Step 2: Convert to fraction form
    1,545.48/2,133.54 = 1,325.57/x
  3. Step 3: Cross multiply
    1,545.48x = 2,133.54 × 1,325.57
  4. Step 4: Simplify right side
    1,545.48x = 2,828,145.95
  5. Step 5: Solve for x
    x = 2,828,145.95/1,545.48
  6. Step 6: Final answer
    x = 1,829.95

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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.