Home / 1,510.27-2,260.66-1,038.98

Finding the Fourth Proportional to 1,510.27, 2,260.66 and 1,038.98

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Solution

The fourth proportional to 1,510.27, 2,260.66 and 1,038.98 is: 1,555.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510.27 : 2,260.66 = 1,038.98 : x
  2. Step 2: Convert to fraction form
    1,510.27/2,260.66 = 1,038.98/x
  3. Step 3: Cross multiply
    1,510.27x = 2,260.66 × 1,038.98
  4. Step 4: Simplify right side
    1,510.27x = 2,348,785.53
  5. Step 5: Solve for x
    x = 2,348,785.53/1,510.27
  6. Step 6: Final answer
    x = 1,555.21

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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.