Home / 1,598.79-2,205.55-1,377.35

Finding the Fourth Proportional to 1,598.79, 2,205.55 and 1,377.35

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Solution

The fourth proportional to 1,598.79, 2,205.55 and 1,377.35 is: 1,900.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.79 : 2,205.55 = 1,377.35 : x
  2. Step 2: Convert to fraction form
    1,598.79/2,205.55 = 1,377.35/x
  3. Step 3: Cross multiply
    1,598.79x = 2,205.55 × 1,377.35
  4. Step 4: Simplify right side
    1,598.79x = 3,037,817.92
  5. Step 5: Solve for x
    x = 3,037,817.92/1,598.79
  6. Step 6: Final answer
    x = 1,900.08

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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.