Home / 1,695.79-2,338.86-1,136.08

Finding the Fourth Proportional to 1,695.79, 2,338.86 and 1,136.08

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Solution

The fourth proportional to 1,695.79, 2,338.86 and 1,136.08 is: 1,566.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.79 : 2,338.86 = 1,136.08 : x
  2. Step 2: Convert to fraction form
    1,695.79/2,338.86 = 1,136.08/x
  3. Step 3: Cross multiply
    1,695.79x = 2,338.86 × 1,136.08
  4. Step 4: Simplify right side
    1,695.79x = 2,657,132.07
  5. Step 5: Solve for x
    x = 2,657,132.07/1,695.79
  6. Step 6: Final answer
    x = 1,566.90

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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.