Home / 1,500.32-2,070.43-837.13

Finding the Fourth Proportional to 1,500.32, 2,070.43 and 837.13

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Solution

The fourth proportional to 1,500.32, 2,070.43 and 837.13 is: 1,155.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500.32 : 2,070.43 = 837.13 : x
  2. Step 2: Convert to fraction form
    1,500.32/2,070.43 = 837.13/x
  3. Step 3: Cross multiply
    1,500.32x = 2,070.43 × 837.13
  4. Step 4: Simplify right side
    1,500.32x = 1,733,204.53
  5. Step 5: Solve for x
    x = 1,733,204.53/1,500.32
  6. Step 6: Final answer
    x = 1,155.23

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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.