Home / 1,752.90-2,415.34-1,192.39

Finding the Fourth Proportional to 1,752.90, 2,415.34 and 1,192.39

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Solution

The fourth proportional to 1,752.90, 2,415.34 and 1,192.39 is: 1,643.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.90 : 2,415.34 = 1,192.39 : x
  2. Step 2: Convert to fraction form
    1,752.90/2,415.34 = 1,192.39/x
  3. Step 3: Cross multiply
    1,752.90x = 2,415.34 × 1,192.39
  4. Step 4: Simplify right side
    1,752.90x = 2,880,024.28
  5. Step 5: Solve for x
    x = 2,880,024.28/1,752.90
  6. Step 6: Final answer
    x = 1,643.01

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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.