Home / 1,566.84-2,135.28-1,561.08

Finding the Fourth Proportional to 1,566.84, 2,135.28 and 1,561.08

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Solution

The fourth proportional to 1,566.84, 2,135.28 and 1,561.08 is: 2,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.84 : 2,135.28 = 1,561.08 : x
  2. Step 2: Convert to fraction form
    1,566.84/2,135.28 = 1,561.08/x
  3. Step 3: Cross multiply
    1,566.84x = 2,135.28 × 1,561.08
  4. Step 4: Simplify right side
    1,566.84x = 3,333,342.90
  5. Step 5: Solve for x
    x = 3,333,342.90/1,566.84
  6. Step 6: Final answer
    x = 2,127.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.