Home / 1,772.19-2,445.12-1,026.18

Finding the Fourth Proportional to 1,772.19, 2,445.12 and 1,026.18

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Solution

The fourth proportional to 1,772.19, 2,445.12 and 1,026.18 is: 1,415.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772.19 : 2,445.12 = 1,026.18 : x
  2. Step 2: Convert to fraction form
    1,772.19/2,445.12 = 1,026.18/x
  3. Step 3: Cross multiply
    1,772.19x = 2,445.12 × 1,026.18
  4. Step 4: Simplify right side
    1,772.19x = 2,509,133.24
  5. Step 5: Solve for x
    x = 2,509,133.24/1,772.19
  6. Step 6: Final answer
    x = 1,415.84

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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.