Home / 1,547.21-2,320.77-573.50

Finding the Fourth Proportional to 1,547.21, 2,320.77 and 573.50

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Solution

The fourth proportional to 1,547.21, 2,320.77 and 573.50 is: 860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.21 : 2,320.77 = 573.50 : x
  2. Step 2: Convert to fraction form
    1,547.21/2,320.77 = 573.50/x
  3. Step 3: Cross multiply
    1,547.21x = 2,320.77 × 573.50
  4. Step 4: Simplify right side
    1,547.21x = 1,330,961.60
  5. Step 5: Solve for x
    x = 1,330,961.60/1,547.21
  6. Step 6: Final answer
    x = 860.23

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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.