Home / 1,510.35-2,084.27-847.18

Finding the Fourth Proportional to 1,510.35, 2,084.27 and 847.18

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Solution

The fourth proportional to 1,510.35, 2,084.27 and 847.18 is: 1,169.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510.35 : 2,084.27 = 847.18 : x
  2. Step 2: Convert to fraction form
    1,510.35/2,084.27 = 847.18/x
  3. Step 3: Cross multiply
    1,510.35x = 2,084.27 × 847.18
  4. Step 4: Simplify right side
    1,510.35x = 1,765,756.09
  5. Step 5: Solve for x
    x = 1,765,756.09/1,510.35
  6. Step 6: Final answer
    x = 1,169.11

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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.