Home / 1,818.04-2,509.06-1,021.48

Finding the Fourth Proportional to 1,818.04, 2,509.06 and 1,021.48

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Solution

The fourth proportional to 1,818.04, 2,509.06 and 1,021.48 is: 1,409.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.04 : 2,509.06 = 1,021.48 : x
  2. Step 2: Convert to fraction form
    1,818.04/2,509.06 = 1,021.48/x
  3. Step 3: Cross multiply
    1,818.04x = 2,509.06 × 1,021.48
  4. Step 4: Simplify right side
    1,818.04x = 2,562,954.61
  5. Step 5: Solve for x
    x = 2,562,954.61/1,818.04
  6. Step 6: Final answer
    x = 1,409.73

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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.