Home / 1,512.19-2,267.06-647.11

Finding the Fourth Proportional to 1,512.19, 2,267.06 and 647.11

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Solution

The fourth proportional to 1,512.19, 2,267.06 and 647.11 is: 970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.19 : 2,267.06 = 647.11 : x
  2. Step 2: Convert to fraction form
    1,512.19/2,267.06 = 647.11/x
  3. Step 3: Cross multiply
    1,512.19x = 2,267.06 × 647.11
  4. Step 4: Simplify right side
    1,512.19x = 1,467,024.04
  5. Step 5: Solve for x
    x = 1,467,024.04/1,512.19
  6. Step 6: Final answer
    x = 970.13

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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.