Home / 2,210.47-3,047.22-1,545.25

Finding the Fourth Proportional to 2,210.47, 3,047.22 and 1,545.25

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Solution

The fourth proportional to 2,210.47, 3,047.22 and 1,545.25 is: 2,130.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.47 : 3,047.22 = 1,545.25 : x
  2. Step 2: Convert to fraction form
    2,210.47/3,047.22 = 1,545.25/x
  3. Step 3: Cross multiply
    2,210.47x = 3,047.22 × 1,545.25
  4. Step 4: Simplify right side
    2,210.47x = 4,708,716.71
  5. Step 5: Solve for x
    x = 4,708,716.71/2,210.47
  6. Step 6: Final answer
    x = 2,130.19

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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.