Home / 3,547.23-5,312.70-1,699.65

Finding the Fourth Proportional to 3,547.23, 5,312.70 and 1,699.65

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Solution

The fourth proportional to 3,547.23, 5,312.70 and 1,699.65 is: 2,545.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.23 : 5,312.70 = 1,699.65 : x
  2. Step 2: Convert to fraction form
    3,547.23/5,312.70 = 1,699.65/x
  3. Step 3: Cross multiply
    3,547.23x = 5,312.70 × 1,699.65
  4. Step 4: Simplify right side
    3,547.23x = 9,029,730.56
  5. Step 5: Solve for x
    x = 9,029,730.56/3,547.23
  6. Step 6: Final answer
    x = 2,545.57

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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.