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Finding the Fourth Proportional to 1,476.76, 2,037.51 and 953.10

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Solution

The fourth proportional to 1,476.76, 2,037.51 and 953.10 is: 1,315.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.76 : 2,037.51 = 953.10 : x
  2. Step 2: Convert to fraction form
    1,476.76/2,037.51 = 953.10/x
  3. Step 3: Cross multiply
    1,476.76x = 2,037.51 × 953.10
  4. Step 4: Simplify right side
    1,476.76x = 1,941,950.78
  5. Step 5: Solve for x
    x = 1,941,950.78/1,476.76
  6. Step 6: Final answer
    x = 1,315.01

Related Problems

Find fourth proportional to 738.38, 1,018.76 and 476.55
Half scale
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Double scale
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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.