Home / 1,472.23-2,218.93-1,269.25

Finding the Fourth Proportional to 1,472.23, 2,218.93 and 1,269.25

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Solution

The fourth proportional to 1,472.23, 2,218.93 and 1,269.25 is: 1,913.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.23 : 2,218.93 = 1,269.25 : x
  2. Step 2: Convert to fraction form
    1,472.23/2,218.93 = 1,269.25/x
  3. Step 3: Cross multiply
    1,472.23x = 2,218.93 × 1,269.25
  4. Step 4: Simplify right side
    1,472.23x = 2,816,359.46
  5. Step 5: Solve for x
    x = 2,816,359.46/1,472.23
  6. Step 6: Final answer
    x = 1,913.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.