Home / 2,580.53-3,560.93-1,518.35

Finding the Fourth Proportional to 2,580.53, 3,560.93 and 1,518.35

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Solution

The fourth proportional to 2,580.53, 3,560.93 and 1,518.35 is: 2,095.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.53 : 3,560.93 = 1,518.35 : x
  2. Step 2: Convert to fraction form
    2,580.53/3,560.93 = 1,518.35/x
  3. Step 3: Cross multiply
    2,580.53x = 3,560.93 × 1,518.35
  4. Step 4: Simplify right side
    2,580.53x = 5,406,712.67
  5. Step 5: Solve for x
    x = 5,406,712.67/2,580.53
  6. Step 6: Final answer
    x = 2,095.19

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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.