Home / 1,566.60-2,337.69-1,555.80

Finding the Fourth Proportional to 1,566.60, 2,337.69 and 1,555.80

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Solution

The fourth proportional to 1,566.60, 2,337.69 and 1,555.80 is: 2,321.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.60 : 2,337.69 = 1,555.80 : x
  2. Step 2: Convert to fraction form
    1,566.60/2,337.69 = 1,555.80/x
  3. Step 3: Cross multiply
    1,566.60x = 2,337.69 × 1,555.80
  4. Step 4: Simplify right side
    1,566.60x = 3,636,978.10
  5. Step 5: Solve for x
    x = 3,636,978.10/1,566.60
  6. Step 6: Final answer
    x = 2,321.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.