Home / 1,535.53-2,119.04-836.95

Finding the Fourth Proportional to 1,535.53, 2,119.04 and 836.95

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Solution

The fourth proportional to 1,535.53, 2,119.04 and 836.95 is: 1,154.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.53 : 2,119.04 = 836.95 : x
  2. Step 2: Convert to fraction form
    1,535.53/2,119.04 = 836.95/x
  3. Step 3: Cross multiply
    1,535.53x = 2,119.04 × 836.95
  4. Step 4: Simplify right side
    1,535.53x = 1,773,526.34
  5. Step 5: Solve for x
    x = 1,773,526.34/1,535.53
  6. Step 6: Final answer
    x = 1,154.99

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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.