Home / 1,547.25-2,315.06-1,085.93

Finding the Fourth Proportional to 1,547.25, 2,315.06 and 1,085.93

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Solution

The fourth proportional to 1,547.25, 2,315.06 and 1,085.93 is: 1,624.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.25 : 2,315.06 = 1,085.93 : x
  2. Step 2: Convert to fraction form
    1,547.25/2,315.06 = 1,085.93/x
  3. Step 3: Cross multiply
    1,547.25x = 2,315.06 × 1,085.93
  4. Step 4: Simplify right side
    1,547.25x = 2,513,993.11
  5. Step 5: Solve for x
    x = 2,513,993.11/1,547.25
  6. Step 6: Final answer
    x = 1,624.81

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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.