Home / 1,506.28-2,259.18-1,219.40

Finding the Fourth Proportional to 1,506.28, 2,259.18 and 1,219.40

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Solution

The fourth proportional to 1,506.28, 2,259.18 and 1,219.40 is: 1,828.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506.28 : 2,259.18 = 1,219.40 : x
  2. Step 2: Convert to fraction form
    1,506.28/2,259.18 = 1,219.40/x
  3. Step 3: Cross multiply
    1,506.28x = 2,259.18 × 1,219.40
  4. Step 4: Simplify right side
    1,506.28x = 2,754,844.09
  5. Step 5: Solve for x
    x = 2,754,844.09/1,506.28
  6. Step 6: Final answer
    x = 1,828.91

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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.