Home / 1,750.34-2,415.57-964.40

Finding the Fourth Proportional to 1,750.34, 2,415.57 and 964.40

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Solution

The fourth proportional to 1,750.34, 2,415.57 and 964.40 is: 1,330.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.34 : 2,415.57 = 964.40 : x
  2. Step 2: Convert to fraction form
    1,750.34/2,415.57 = 964.40/x
  3. Step 3: Cross multiply
    1,750.34x = 2,415.57 × 964.40
  4. Step 4: Simplify right side
    1,750.34x = 2,329,575.71
  5. Step 5: Solve for x
    x = 2,329,575.71/1,750.34
  6. Step 6: Final answer
    x = 1,330.93

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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.