Home / 1,970.04-2,717.14-1,306.68

Finding the Fourth Proportional to 1,970.04, 2,717.14 and 1,306.68

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Solution

The fourth proportional to 1,970.04, 2,717.14 and 1,306.68 is: 1,802.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970.04 : 2,717.14 = 1,306.68 : x
  2. Step 2: Convert to fraction form
    1,970.04/2,717.14 = 1,306.68/x
  3. Step 3: Cross multiply
    1,970.04x = 2,717.14 × 1,306.68
  4. Step 4: Simplify right side
    1,970.04x = 3,550,432.50
  5. Step 5: Solve for x
    x = 3,550,432.50/1,970.04
  6. Step 6: Final answer
    x = 1,802.21

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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.