Home / 1,534.84-2,118.02-836.22

Finding the Fourth Proportional to 1,534.84, 2,118.02 and 836.22

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Solution

The fourth proportional to 1,534.84, 2,118.02 and 836.22 is: 1,153.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.84 : 2,118.02 = 836.22 : x
  2. Step 2: Convert to fraction form
    1,534.84/2,118.02 = 836.22/x
  3. Step 3: Cross multiply
    1,534.84x = 2,118.02 × 836.22
  4. Step 4: Simplify right side
    1,534.84x = 1,771,130.68
  5. Step 5: Solve for x
    x = 1,771,130.68/1,534.84
  6. Step 6: Final answer
    x = 1,153.95

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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.