Home / 1,510.18-2,266.49-779.96

Finding the Fourth Proportional to 1,510.18, 2,266.49 and 779.96

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Solution

The fourth proportional to 1,510.18, 2,266.49 and 779.96 is: 1,170.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510.18 : 2,266.49 = 779.96 : x
  2. Step 2: Convert to fraction form
    1,510.18/2,266.49 = 779.96/x
  3. Step 3: Cross multiply
    1,510.18x = 2,266.49 × 779.96
  4. Step 4: Simplify right side
    1,510.18x = 1,767,779.16
  5. Step 5: Solve for x
    x = 1,767,779.16/1,510.18
  6. Step 6: Final answer
    x = 1,170.58

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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.