Home / 1,545.13-2,132.34-846.51

Finding the Fourth Proportional to 1,545.13, 2,132.34 and 846.51

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Solution

The fourth proportional to 1,545.13, 2,132.34 and 846.51 is: 1,168.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.13 : 2,132.34 = 846.51 : x
  2. Step 2: Convert to fraction form
    1,545.13/2,132.34 = 846.51/x
  3. Step 3: Cross multiply
    1,545.13x = 2,132.34 × 846.51
  4. Step 4: Simplify right side
    1,545.13x = 1,805,047.13
  5. Step 5: Solve for x
    x = 1,805,047.13/1,545.13
  6. Step 6: Final answer
    x = 1,168.22

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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.