Home / 3,397.23-4,686.77-2,070.45

Finding the Fourth Proportional to 3,397.23, 4,686.77 and 2,070.45

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Solution

The fourth proportional to 3,397.23, 4,686.77 and 2,070.45 is: 2,856.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.23 : 4,686.77 = 2,070.45 : x
  2. Step 2: Convert to fraction form
    3,397.23/4,686.77 = 2,070.45/x
  3. Step 3: Cross multiply
    3,397.23x = 4,686.77 × 2,070.45
  4. Step 4: Simplify right side
    3,397.23x = 9,703,728.12
  5. Step 5: Solve for x
    x = 9,703,728.12/3,397.23
  6. Step 6: Final answer
    x = 2,856.36

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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.