Home / 1,725.86-2,583.80-1,547.80

Finding the Fourth Proportional to 1,725.86, 2,583.80 and 1,547.80

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Solution

The fourth proportional to 1,725.86, 2,583.80 and 1,547.80 is: 2,317.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.86 : 2,583.80 = 1,547.80 : x
  2. Step 2: Convert to fraction form
    1,725.86/2,583.80 = 1,547.80/x
  3. Step 3: Cross multiply
    1,725.86x = 2,583.80 × 1,547.80
  4. Step 4: Simplify right side
    1,725.86x = 3,999,184.98
  5. Step 5: Solve for x
    x = 3,999,184.98/1,725.86
  6. Step 6: Final answer
    x = 2,317.21

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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.