Home / 1,500.27-2,070.34-837.11

Finding the Fourth Proportional to 1,500.27, 2,070.34 and 837.11

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Solution

The fourth proportional to 1,500.27, 2,070.34 and 837.11 is: 1,155.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500.27 : 2,070.34 = 837.11 : x
  2. Step 2: Convert to fraction form
    1,500.27/2,070.34 = 837.11/x
  3. Step 3: Cross multiply
    1,500.27x = 2,070.34 × 837.11
  4. Step 4: Simplify right side
    1,500.27x = 1,733,104.29
  5. Step 5: Solve for x
    x = 1,733,104.29/1,500.27
  6. Step 6: Final answer
    x = 1,155.19

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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.