Home / 1,256.04-1,735.07-882.90

Finding the Fourth Proportional to 1,256.04, 1,735.07 and 882.90

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Solution

The fourth proportional to 1,256.04, 1,735.07 and 882.90 is: 1,219.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256.04 : 1,735.07 = 882.90 : x
  2. Step 2: Convert to fraction form
    1,256.04/1,735.07 = 882.90/x
  3. Step 3: Cross multiply
    1,256.04x = 1,735.07 × 882.90
  4. Step 4: Simplify right side
    1,256.04x = 1,531,888.89
  5. Step 5: Solve for x
    x = 1,531,888.89/1,256.04
  6. Step 6: Final answer
    x = 1,219.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.