Home / 1,506.21-2,260.29-684.53

Finding the Fourth Proportional to 1,506.21, 2,260.29 and 684.53

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Solution

The fourth proportional to 1,506.21, 2,260.29 and 684.53 is: 1,027.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506.21 : 2,260.29 = 684.53 : x
  2. Step 2: Convert to fraction form
    1,506.21/2,260.29 = 684.53/x
  3. Step 3: Cross multiply
    1,506.21x = 2,260.29 × 684.53
  4. Step 4: Simplify right side
    1,506.21x = 1,547,225.01
  5. Step 5: Solve for x
    x = 1,547,225.01/1,506.21
  6. Step 6: Final answer
    x = 1,027.23

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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.