Home / 1,500.47-2,070.92-941.43

Finding the Fourth Proportional to 1,500.47, 2,070.92 and 941.43

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Solution

The fourth proportional to 1,500.47, 2,070.92 and 941.43 is: 1,299.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500.47 : 2,070.92 = 941.43 : x
  2. Step 2: Convert to fraction form
    1,500.47/2,070.92 = 941.43/x
  3. Step 3: Cross multiply
    1,500.47x = 2,070.92 × 941.43
  4. Step 4: Simplify right side
    1,500.47x = 1,949,621.51
  5. Step 5: Solve for x
    x = 1,949,621.51/1,500.47
  6. Step 6: Final answer
    x = 1,299.34

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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.