Home / 1,818.19-2,509.67-1,032.76

Finding the Fourth Proportional to 1,818.19, 2,509.67 and 1,032.76

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Solution

The fourth proportional to 1,818.19, 2,509.67 and 1,032.76 is: 1,425.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.19 : 2,509.67 = 1,032.76 : x
  2. Step 2: Convert to fraction form
    1,818.19/2,509.67 = 1,032.76/x
  3. Step 3: Cross multiply
    1,818.19x = 2,509.67 × 1,032.76
  4. Step 4: Simplify right side
    1,818.19x = 2,591,886.79
  5. Step 5: Solve for x
    x = 2,591,886.79/1,818.19
  6. Step 6: Final answer
    x = 1,425.53

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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.