Home / 1,759.02-2,630.78-1,565.40

Finding the Fourth Proportional to 1,759.02, 2,630.78 and 1,565.40

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Solution

The fourth proportional to 1,759.02, 2,630.78 and 1,565.40 is: 2,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.02 : 2,630.78 = 1,565.40 : x
  2. Step 2: Convert to fraction form
    1,759.02/2,630.78 = 1,565.40/x
  3. Step 3: Cross multiply
    1,759.02x = 2,630.78 × 1,565.40
  4. Step 4: Simplify right side
    1,759.02x = 4,118,223.01
  5. Step 5: Solve for x
    x = 4,118,223.01/1,759.02
  6. Step 6: Final answer
    x = 2,341.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.