Home / 1,500.17-2,070.36-836.94

Finding the Fourth Proportional to 1,500.17, 2,070.36 and 836.94

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Solution

The fourth proportional to 1,500.17, 2,070.36 and 836.94 is: 1,155.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500.17 : 2,070.36 = 836.94 : x
  2. Step 2: Convert to fraction form
    1,500.17/2,070.36 = 836.94/x
  3. Step 3: Cross multiply
    1,500.17x = 2,070.36 × 836.94
  4. Step 4: Simplify right side
    1,500.17x = 1,732,767.10
  5. Step 5: Solve for x
    x = 1,732,767.10/1,500.17
  6. Step 6: Final answer
    x = 1,155.05

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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.