Home / 1,749.15-2,621.40-652.41

Finding the Fourth Proportional to 1,749.15, 2,621.40 and 652.41

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Solution

The fourth proportional to 1,749.15, 2,621.40 and 652.41 is: 977.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.15 : 2,621.40 = 652.41 : x
  2. Step 2: Convert to fraction form
    1,749.15/2,621.40 = 652.41/x
  3. Step 3: Cross multiply
    1,749.15x = 2,621.40 × 652.41
  4. Step 4: Simplify right side
    1,749.15x = 1,710,225.13
  5. Step 5: Solve for x
    x = 1,710,225.13/1,749.15
  6. Step 6: Final answer
    x = 977.75

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1.5x scale

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.