Home / 1,805.32-2,707.98-1,547.20

Finding the Fourth Proportional to 1,805.32, 2,707.98 and 1,547.20

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Solution

The fourth proportional to 1,805.32, 2,707.98 and 1,547.20 is: 2,320.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805.32 : 2,707.98 = 1,547.20 : x
  2. Step 2: Convert to fraction form
    1,805.32/2,707.98 = 1,547.20/x
  3. Step 3: Cross multiply
    1,805.32x = 2,707.98 × 1,547.20
  4. Step 4: Simplify right side
    1,805.32x = 4,189,786.66
  5. Step 5: Solve for x
    x = 4,189,786.66/1,805.32
  6. Step 6: Final answer
    x = 2,320.80

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1.5x scale

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.