Home / 2,952.01-4,428.56-1,220.77

Finding the Fourth Proportional to 2,952.01, 4,428.56 and 1,220.77

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Solution

The fourth proportional to 2,952.01, 4,428.56 and 1,220.77 is: 1,831.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952.01 : 4,428.56 = 1,220.77 : x
  2. Step 2: Convert to fraction form
    2,952.01/4,428.56 = 1,220.77/x
  3. Step 3: Cross multiply
    2,952.01x = 4,428.56 × 1,220.77
  4. Step 4: Simplify right side
    2,952.01x = 5,406,253.19
  5. Step 5: Solve for x
    x = 5,406,253.19/2,952.01
  6. Step 6: Final answer
    x = 1,831.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.