Home / 2,712.51-4,070.93-1,070.21

Finding the Fourth Proportional to 2,712.51, 4,070.93 and 1,070.21

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Solution

The fourth proportional to 2,712.51, 4,070.93 and 1,070.21 is: 1,606.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.51 : 4,070.93 = 1,070.21 : x
  2. Step 2: Convert to fraction form
    2,712.51/4,070.93 = 1,070.21/x
  3. Step 3: Cross multiply
    2,712.51x = 4,070.93 × 1,070.21
  4. Step 4: Simplify right side
    2,712.51x = 4,356,763.85
  5. Step 5: Solve for x
    x = 4,356,763.85/2,712.51
  6. Step 6: Final answer
    x = 1,606.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.