Home / 1,695.02-2,337.92-1,555.59

Finding the Fourth Proportional to 1,695.02, 2,337.92 and 1,555.59

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Solution

The fourth proportional to 1,695.02, 2,337.92 and 1,555.59 is: 2,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.02 : 2,337.92 = 1,555.59 : x
  2. Step 2: Convert to fraction form
    1,695.02/2,337.92 = 1,555.59/x
  3. Step 3: Cross multiply
    1,695.02x = 2,337.92 × 1,555.59
  4. Step 4: Simplify right side
    1,695.02x = 3,636,829.39
  5. Step 5: Solve for x
    x = 3,636,829.39/1,695.02
  6. Step 6: Final answer
    x = 2,145.60

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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.