Home / 1,500.36-2,070.46-837.22

Finding the Fourth Proportional to 1,500.36, 2,070.46 and 837.22

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Solution

The fourth proportional to 1,500.36, 2,070.46 and 837.22 is: 1,155.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500.36 : 2,070.46 = 837.22 : x
  2. Step 2: Convert to fraction form
    1,500.36/2,070.46 = 837.22/x
  3. Step 3: Cross multiply
    1,500.36x = 2,070.46 × 837.22
  4. Step 4: Simplify right side
    1,500.36x = 1,733,430.52
  5. Step 5: Solve for x
    x = 1,733,430.52/1,500.36
  6. Step 6: Final answer
    x = 1,155.34

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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.