Home / 1,929.34-2,889.62-1,510.26

Finding the Fourth Proportional to 1,929.34, 2,889.62 and 1,510.26

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Solution

The fourth proportional to 1,929.34, 2,889.62 and 1,510.26 is: 2,261.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.34 : 2,889.62 = 1,510.26 : x
  2. Step 2: Convert to fraction form
    1,929.34/2,889.62 = 1,510.26/x
  3. Step 3: Cross multiply
    1,929.34x = 2,889.62 × 1,510.26
  4. Step 4: Simplify right side
    1,929.34x = 4,364,069.95
  5. Step 5: Solve for x
    x = 4,364,069.95/1,929.34
  6. Step 6: Final answer
    x = 2,261.95

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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.